Abstract:
A versatile multiple display screen smart-phone, having configuration of retractable dual extension screen unites assembled at either side of device, whereby retracted extension screens can be extracted from a prefabricated interior twofold passageway/storage unit for added multi-tasking convenience and/or combined consolidation with main display screen for display screen enlargement.

Description:
RELATED APPLICATIONS 
     The present application claims benefit of U.S. Provisional Patent 62/179,092, filed on Apr. 27, 2015 and incorporated by reference as if fully rewritten herein. 
    
    
     BACKGROUND OF THE INVENTION 
     1. Field of the Invention 
     The present invention relates generally to smart (i.e. internet enabled) cellular phones and, particularly, to a smart phone featuring three display screens to allow interface with wireless data communication. 
     2. Description of the Related Art 
     Unique mobile handset smart phones, such as the Galaxy S6 Edge, LG V10, LGX Screen and TotaPhone 2, are known in the art of cell phone technology for their styling designs and advanced feature offerings including, inter alia, dual screens, second screens options, improved camera functions, and other performance qualities. 
     These and other smart phones and similar electronics are overwhelmingly useful for wireless communication in conducting personal business affairs and other matters of importance in today&#39;s world of high-tech social media. However, such devices do not resolve smart phone users&#39; constant demands for a compatible smart phone against today&#39;s leading tablet devices having larger display screens without compromising the devices&#39; compactness. 
     Thus, a need exists for a more versatile smart phone to satisfy electronic consumer&#39;s ultimate demands phone larger display screens without compromising attractive and compact design. 
     SUMMARY OF THE INVENTION 
     The present invention provides a three dimensional extension screen smart phone comprising five sectional interconnected prefabrication and following functional units including” a central data processor; a memory unit; a display element having multiple user interfaces; a power supply unit; and a wireless transceiver configured for wireless data communication using the frequency ranges of the sub GHz frequency band for sending and receiving data. Each of the functional units are functionally connected to at least the central data processing unit. 
     Further features of the invention will become apparent in the course of the following description. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
       The advantages and features of the present invention will become better understood with reference to the following more detailed description and claims taken in conjunction with the accompanying drawings, in which like elements are identified with like symbols, and in which: 
         FIG. 1  is an assembled front view of a three dimensional extension screen smart phone according to the preferred embodiment of the present invention; 
         FIG. 2  is an exploded view of a top, middle and bottom sectional prefabrication of  FIG. 1 ; 
         FIG. 3  is an exploded rear view of a top and bottom sectional cap prefabrication respectively of  FIG. 2 , and rear sectional prefabrication of  FIG. 7  below; 
         FIG. 4A  is a perspective detachment view of a top sectional cap prefabrication of  FIG. 1  with interior components partly visible; 
         FIG. 4B  is a perspective detachment view of a bottom sectional prefabrication of  FIG. 1  with interior components partly visible; 
         FIG. 4C  is a perspective view of both top and bottom sectional prefabrications of  FIG. 4A  and  FIG. 4B  showing exterior framing; 
         FIG. 4D  is an exploded view of  FIG. 4C , showing affixed extended framing assemblage; 
         FIG. 5  is an exploded view of middle sectional prefabrication frame structure of  FIG. 2 , showing interior components and encased logic board; 
         FIG. 6  is an assembled view of middle sectional prefabrication frame structure of  FIG. 5 , showing interconnect assemblage scenario; 
         FIG. 7  is an interior view of rear sectional prefabrication of  FIG. 3  showing combination camera lens/camera flash and battery compartment enclosures (broken lines) with attached ribbon band power line connector; 
         FIG. 8  is a perspective view of display screen middle sectional prefabrication of  FIG. 6 , and shell encasement of rear sectional prefabrication of  FIG. 7 , showing scenario of interconnect assemblage; 
         FIG. 9A  is a framed view of display screens of  FIGS. 1 and 2  encased in middle sectional prefabrication frame structure of  FIG. 2 ; 
         FIG. 9B  is a detachment front view of a logic board of middle sectional prefabrication framing of  FIG. 5 , with attached display screen (broken lines); 
         FIG. 10  is a perspective view of lefthand side extension screen frame of  FIG. 19  below; 
         FIG. 11  is a perspective view of right hand side extension screen frame of  FIG. 19  below; 
         FIG. 12  is a perspective view of encased display screen and middle sectional prefabrication frame structure of  FIG. 9  showing retracted extension screens (broken lines) of  FIG. 11  at opposite sides of display screen; 
         FIG. 13A  is a perspective view of extension screen logic board of  FIG. 14  below, with attached display screen of  FIG. 23  below; 
         FIG. 13B  is a forward shell view of right hand side extension screen frame of  FIG. 11  with impressed copper lining interlocking slots and ribbon band power line connectors; 
         FIG. 14  is a perspective view of a joint assemblage of  FIG. 13A  and  FIG. 13B  as a right hand side extension screen of  FIG. 11A , mounted to interior mechanisms of top and bottom slide track chamber units of  FIG. 15C  and  FIG. 15D  below; 
         FIG. 15A  is a detached exterior view of bottom slide track chamber assemblage of  FIG. 19  below, showing twofold passageway/storage compartment tracking chambers; 
         FIG. 15B  is a detachment interior view of bottom slide track chamber unit of  FIG. 19  below, showing twofold passageway/storage compartment tracking chambers; 
         FIG. 15C  is a detachment view of top slide track chamber of  FIG. 14 ; 
         FIG. 15D  is a detached view of bottom slide track chamber shell of  FIG. 14 ; 
         FIG. 15E  is a perspective view of top and bottom slide track chambers of  FIGS. 15C and 15D , respectively interior center divider; 
         FIG. 16A  is a perspective view of top slide track chamber of  FIG. 15C  and front slide track chamber assemblage plate of  FIG. 17  below, showing interconnection assembly holes; 
         FIG. 16B  is a perspective view of rear slide track chamber assemblage plate of  FIG. 15D , showing interconnection assembly holes; 
         FIG. 17  is an assembled view of top/bottom slide track chambers, and front/rear slide track chambers assemblage plates of  FIG. 16A  and  FIG. 16B  as shelled twofold passageway/storage unit of  FIG. 18  below; 
         FIG. 18  is a perspective view of twofold passageway/storage unit of  FIG. 17  with mounted top and bottom assembled slide track chambers of  FIG. 19  below with extension screens of  FIG. 12  partially retracted; 
         FIG. 19  is a perspective view of display screen middle sectional prefabrication frame structure of  FIG. 21  below with fully extracted extension screen frames of  FIGS. 10 and 11  attached inside locking mechanisms of top and bottom slide track chambers of  FIG. 14 ; 
         FIG. 20  is a perspective view of both left and right side extension screen frames of  FIG. 10  and  FIG. 11 , respectively, affixed top and bottom flexible metallic arm&#39;s wave pattern flexibility; 
         FIG. 21  is a perspective interior view of display screen middle sectional prefabrication frame structure of  FIG. 19 , showing stored extension screens in full retraction inside twofold passageway and storage compartments of  FIG. 18 ; 
         FIG. 22A  is a side view profile of  FIG. 21 , partially showing combination left and right extension screen frames of  FIG. 21  inside slide track chambers twofold passageway/storage unit of  FIG. 18 ; 
         FIG. 22B  is a side view profile of a rear sectional prefabrication of  FIG. 7 , showing interior enclosures of battery and combination camera lens/camera flash compartments; 
         FIG. 22C  is a perspective side view of  FIG. 22A  and  FIG. 22B  in joint assemblage; 
         FIG. 23  is a perspective forward view of display screen middle sectional prefabrication frame structure of  FIG. 12  with fully extracted, logic board assembled display screen(s) of  FIG. 14  at either side; 
         FIG. 24  is a perspective view of  FIG. 1  with fully retracted dual extension screens of  FIG. 23  locket in position at either side of main display screen; and 
         FIG. 25  is an overall perspective view of  FIG. 1 , showing joint assemblage embodiment of  FIG. 22C  with attached top and bottom sectional cap prefabrications of  FIGS. 4A and 4B . 
     
    
    
     DRAWING REFERENCE NUMERALS 
     
         
           6  Top cap sectional prefabrication 
           8  display screen middle section prefabrication 
           10  left/right circular extension screen fingertip grips 
           12  bottom cap sectional prefabrication 
           14  earplug jack 
           16  left/right extension screen motion sensors 
           18  speaker 
           20  proximity sensor 
           22  gesture sensor 
           24  front camera lens 
           26  left/right assembly cavities 
           28  top/bottom assembly pegs 
           30  micro screw assembly holes 
           32  display screen prefabrication interlock ridges 
           34  left/right display screen prefabrication middle spacings 
           36  display screen logic board 
           38  display screen logic board top/bottom male copper ribbon band connectors 
           40  microphone 
           42  menu button 
           44  home button 
           46  back button 
           48  search button 
           50  rear sectional prefabrication 
           52  volume control bar 
           54  off/on switch bar 
           56  rear camera lens 
           57  top/bottom rear frame overlaps 
           58  rear camera lens flash 
           60  battery compartment door 
           62  electrical power outlet 
           64  speaker phone speaker 
           66  female copper ribbon band connectors 
           68  inwards folding hinge 
           70  left/right long sleeve fasteners 
           72  left/right short sleeve fasteners 
           74  display screen prefabrication top/bottom extended framing 
           76  front/rear top/bottom ribbon band outlets 
           78  embedded copper power track connectors 
           80  extended framing extension top/bottom 
           82  rear camera lens/flash  104  attached extension display compartment enclosure screen 
           84  battery compartment  106  top/bottom slide track enclosure chamber 
           86  short/long copper ribbon band  108  slide track chambers locking line connectors mechanism snags 
           88  rear sectional prefabrication  110  slide track chambers twofold shell passageway and storage 
           90  attached monitor display compartments screen  112  slide track chamber&#39;s center 
           92  left/right side extension divider screen frames  114  front/rear slide track 
           94  top/bottom copper lined chamber&#39;s assemblage plates interlocking slots  116  assembled extension screen&#39;s 
           96  top/bottom flexible metallic twofold passageway and arms storage unit 
           98  top/bottom impressed locking  118  display screen left/right grooves frameless creased edges 
           100  top/bottom interlock cavities 
           102  extension screen logic board 
       
    
     DESCRIPTION OF THE PREFERRED EMBODIMENTS 
     The best mode for carrying out the invention is presented in terms of its preferred embodiment, herein depicted within the Figures. It should be understood that the legal scope of the description is defined by the words of the claims set forth at the end of this patent and that the detailed description is to be construed as exemplary only and does not describe every possible embodiment since describing every possible embodiment would be impractical, if not impossible. Numerous alternative embodiments could be implemented, using either current technology or technology developed after the filing date of this patent, which would still fall within the scope of the claims. 
     It should also be understood that, unless a term is expressly defined in this patent there is no intent to limit the meaning of that term, either expressly or by implication, beyond its plain or ordinary meaning, and such term should not be interpreted to be limited in scope based on any statement made in any section of this patent (other than the language of the claims). To the extent that any term recited in the claims at the end of this patent is referred to in this patent in a manner consistent with a single meaning, that is done for sake of clarity only so as to not confuse the reader, and it is not intended that such claim term by limited, by implication or otherwise, to that single meaning. Finally, unless a claim element is defined by reciting the word “means” and a function without the recital of any structure, it is not intended that the scope of any claim element be interpreted based on the application of 35 U.S.C. §112, sixth paragraph. 
     The best mode for carrying out the invention is presented in terms of its preferred embodiment, herein depicted within the Figures. 
     1. Detailed Description of the Figures 
     Before explaining the present invention in detail, it is important to understand that the invention is not limited in its application to the details of the construction illustrated and the steps described herein. The invention is capable of other embodiments and of being practiced or carried out in a variety of ways. It is to be understood that the phraseology and terminology employed herein is for the purpose of description and not of limitation. 
     Referring now to the drawings, wherein like reference numerals indicate the same parts throughout the several views,  FIG. 1  provides a three dimensional extension screen smart phone according to the preferred embodiment of the present invention, comprising a top cap sectional prefabrication  6 , a display screen middle sectional prefabrication  8 , a bottom cap sectional prefabrication  12 , a rear sectional prefabrication  50 , and a twofold extension screen passageway/storage unit prefabrication  116 . 
       FIG. 2  provides a perspective detachment view of  FIG. 1  section prefabrications. Top cap prefabrication  6  encompasses an earplug jack  14 , left/right (L/R) extension screen motion sensors  16 , a speaker  18 , a proximity sensor  20 , a gesture sensor  22 , a front camera lens  24 , L/R assembly cavities  26 , while display screen prefabrication  8  frame structure encompass top/bottom (T/B) assembly pegs  28 , micro-screw assembly holes  30 , display screen prefabrication interlock ridges  32 , L/R display screen prefabrication  8  middle spacings  34 , a display screen logic board  36 , T/B logic board male copper ribbon band connectors  38 , bottom cap  12  prefabrication encompass L/R assembly cavities  26 , a microphone  40 , a menu button  42 , a home button  44 , a back button  46 , and a search button  48 . Top  6  and bottom cap  12  prefabrication by way of their respective assembly cavities  26  attaches to display screen prefabrication  8  T/B assembly pegs  28  for assemblage of  FIG. 1 . Dimensions for top  6  and bottom cap  12  prefabrication may be 2⅜ by ⅝ and ¾ inches in diameter, while dimension of the display screen prefabrication  8  framed encasement of  FIG. 1  may be 2⅜ by 4½ inches. 
       FIG. 3  provides a rear view detachment of top cap  6  and bottom cap  12  of  FIG. 2  and rear sectional prefabrication  50  of  FIG. 7  of the drawings. While top cap  6  prefabrication encompasses a conveniently located volume control bar  52  and micro-screw assembly hole  30 , rear sectional prefabrication  50  encompasses an off/on switch bar  54 , a camera lens  56 , T/B rear frame overlaps  57 , a camera lens flash  58 , a battery compartment door  60  (dashed lines), an electrical power outlet  62 , top and bottom center micro-screw assembly holes  30 , while bottom cap prefabrication  12  encompasses a speaker phone speaker  64 , and micro-screw assembly hole  30 . In assemblage, top cap  6  and bottom cap  12  prefabrications&#39; respectively micro-screw assembly holes  30  align with center micro screw assembly hole  30  of rear sectional prefabrications&#39;  50  T/B frame overlaps  57 . Dimension of rear sectional prefabrication  50  may be 2⅜ by 4½ inches and ⅜ inches in diameter. 
       FIG. 4  provides a perspective isolation view of top cap prefabrication  6  of  FIG. 2 , which encompass amongst other noted components, a female copper ribbon band connector  66  that in assemblage intercourse with top male ribbon band connector  38  of  FIG. 2 . 
       FIG. 4A  provides a perspective isolation view of bottom cap prefabrication  12  of  FIG. 2 , which encompass amongst other noted components, a female copper ribbon band connector  66  that in assemblage intercourse with bottom male band connector  38  of  FIG. 2   
       FIG. 4B  provides a shell view of top  6  and bottom cap  12  prefabrications respectively of  FIGS. 4 and 4A , which encompass an inwards folding hinge  68  that allows open access to the components assembled inside top  6  and bottom cap  12  prefabrications of  FIGS. 2, 4 and 4A . 
       FIG. 4C  provides an exploded view of top  6  and bottom cap  12  shell prefabrication of  FIG. 4B , which encompass an inwards folding hinge  68 , L/R long sleeve fasteners  70 , L/R short sleeve fasteners  72 , and respective micro-screw assembly holes  30 . Dimensions of long sleeve fasteners  70  is ¾ inches by ¼ inches, while short sleeve  72  dimensions are 5/16 inches by ¼ inches. When top  6  and bottom cap  12  shell prefabrication is in closed mode of  FIG. 4B , long sleeve fasteners  70  overlaps short sleeve fasteners  72  for a level closure (as clearly shown in  FIG. 25  of the drawings). 
       FIG. 5  provides an exploded view of display screen middle prefabrication  8  frame structure (dashed lines) of  FIG. 2 , which encompass T/B extended framing  74 , top front and rear ribbon band outlets  76 , T/B assembly pegs  28 , embedded copper power track connectors  78 , T/B extended framing extensions  80 , and display screen logic board  36  of  FIG. 2  which dimensions are 2 7/16 by 4 3/16 inches and 3/16 inches in diameter. 
       FIG. 6  provides a perspective assembled view of display screen middle prefabrication  8  frame structure of  FIG. 5 , which encompass T/B extended framing  74  with micro-screw assembly holes  30 , T/B assembly pegs  28  which dimensions are 3/16 by 3/16 and 1/16 inches thick, T/B extended framing extensions  80 , top front and rear ribbon band outlets  76 . In assemblage female copper ribbon band connectors  66  of  FIGS. 4 and 4A  respectively funnel through top front, and bottom ribbon band outlets  76  for interlockment with T/B male ribbon band connectors  38  of  FIG. 2 . 
       FIG. 7  provides an interior view of rear sectional prefabrication  50  of  FIG. 3 , which encompass a rear camera/flash compartment enclosure  82  (upper encased dashed lines), a battery compartment enclosure  84  (lower encased dashed lines), micro-screw assembly holes  30 , short and long ribbon band line connectors  86  which in assemblage funnel through top rear ribbon band outlet  76  of  FIG. 6  whereby connecting rear sectional prefabrication  50  components with power source of top cap  6  prefabrication of  FIG. 4 , rear sectional prefabrication  50  by way of its micro-screw assembly holes  30  attaches to back of display screen prefabrication  50  frame structure of  FIG. 6   
       FIG. 8  provides an alignment view of display screen middle prefabrication  8  frame structure (dashed lines) of  FIG. 6  and rear sectional prefabrication shell  88  (solid lines) of  FIG. 7 . While display screen prefabrication  8  frame structure encompass T/B extended framing  74  and T/B extended framing extensions  80  with micro-screw assembly holes  30  of  FIG. 6 , rear sectional prefabrication shell  88  encompass T/B micro-screw assembly holes  30  of  FIG. 7 . Dimensions of top/bottom extended framing  74  are 2 6/16 by ¾ inches while measurements of T/B extended framing extensions  80  are 2 6/16 by ¼ inches. Rear sectional prefabrication shell  88  overall dimensions are 2 6/16 by 4½ inches with creased side of ⅜ inches in width. 
     As shown in  FIG. 8  and  FIG. 22C , the display screen middle sectional prefabrication  8  interconnects to the rear sectional prefabrication  50  by way of each prefabrication&#39;s various assembly pegs  28 , micro-screw assembly holes  30 , and affixed rear frame overlaps  57 . Upon joint interconnect of display screen middle sectional prefabrication  8  to that of rear sectional prefabrication  50  of  FIG. 8 , the entire embodiment of twofold extension screen passageway/storage unit prefabrication  116  of  FIG. 18  attaches to the vast interior spacing in between top and bottom extended framings  74  of  FIGS. 6 and 8  respectively, while top cap  6  and bottom cap  12  sectional prefabrications of  FIGS. 4A and 4B  upon interconnect with embodiment for display screen  8  and rear sectional prefabrications  50  completes the prefabricated assemblage of three-dimensional extension screen smart phone of  FIG. 1  and  FIG. 25 . 
       FIG. 9  provides a framed view of assembled display screen middle prefabrication  8  explosion of  FIG. 5 , which encompass T/B long copper ribbon band line connectors  86 , em bedded copper power-track connectors  78 , T/B extended framing  74 , T/B micro-screw assembly holes  30 , left/right display screen prefabrication middle spacings  34  which dimensions are ¼ by 7/16 inches. In assemblage T/B long copper ribbon band line connectors  86  by way of attachment with embedded copper power track connectors  78  (as shown in configuration) funnels through both, top front extended framing  74  ribbon band outlet  76  and bottom extended framing  74  ribbon band outlet  76  of  FIG. 6  for power source connection with top  6  and bottom cap  12  prefabrications respectively of  FIGS. 4 and 4A . 
       FIG. 9A  provides a forward view of display screen logic board  36  of  FIG. 5 , which encompass T/B micro-screw assembly holes  30 , attached monitor display screen  90  (dashed lines encasement). In assemblage logic board  36  mounts to front display screen middle prefabrication  8  frame structure of  FIG. 9  by way of display screen middle prefabrication  8  frame structure affixed micro-screw assembly holes  30 . 
       FIG. 10  provides a perspective view of left hand side extension screen frame  92  of  FIG. 19  of the drawings, which encompass left side circular extension screen fingertip grip  10  of  FIG. 1 , T/B copper lined interlocking slots  94 , T/B flexible metallic arms  96 , T/B impressed locking grooves  98 , T/B interlock cavities  100 . Excluding flexible metallic arms  96  measurements of 3/16 by 3/16 inches and 1/16 inch in diameter, overall dimensions of extension screen frame  92  are 2 7/16 by 4 7/16 inches and 3/16 inches in diameter. 
       FIG. 11  provides a perspective view of right hand side extension screen frame  92  of  FIG. 19  of the drawings, which encompass right side circular extension screen fingertip grip  10  of  FIG. 1 , T/B copper lined interlocking slots  94 , T/B flexible metallic arms  96 , T/B impressed locking grooves  98 , T/B interlock cavities  100 . As results of a front/rear positional order setting with left hand side extension screen frame  92  of  FIG. 10  (as clearly shown in  FIG. 21  of the drawings), right side extension screen frames  92  flexible metallic arms  96  are necessary shorter than those of left side extension screen frame  92  which occupy the rear position order inside  FIG. 21 &#39;s top and bottom slide track chambers&#39;  106  twofold passageway/storage compartments  110 , to ensure equal leverage upon both extension screen frames  92  extraction and retraction operational functions of  FIGS. 19, 21 and 25  of the drawings. Excluding right side flexible metallic arms  96  measurements of 9/16 by 3/16 inches and 1/16 inch in diameter, overall dimensions of right side extension screen frame are 2 7/16 by 4 7/16 inches and 3/16 inches in diameter. 
       FIG. 12  provides a perspective-assembled view of display screen middle prefabrication  8  frame structure of  FIG. 9 , which encompass retracted left/right hand side extension screen frames  92  (dashed lines) of  FIGS. 10, 11 and 21  of the drawings, display screen prefabrication  8  interlock ridges  32 , L/R display screen prefabrication  8  middle spacings  34 , L/R circular extension screen fingertip grips  10  of  FIG. 1 , display screen logic board  36  with attached monitor display screen  90  (narrow spacing encasement) of  FIG. 9A . Interlock ridges  32  which are firm, stationary flaps of either sides of display screen middle prefabrication  8  frame structure of  FIGS. 2 and 19  of the drawings have dimensions of 3/16 by 1 9/16 inches and 1/16 inches in diameter. 
       FIG. 13  provides a detachment view of extension screen frame  92  logic board  102  of  FIG. 14  of the drawings, which encompass attached monitor display screen ( 104 ) encasement (dashed lines) and micro-screw assembly hole  30 . Logic board  102  framing which is metallic, and attached display screen  104  encasement mounts inside extension screen frame  92  structure of  FIG. 13A  by way of logic boards  36  micro-screw assembly hole  30 . 
       FIG. 13A  provides an interior view of right hand side extension screen frame  92  structure of  FIG. 11 , which encompass a micro-screw assembly hole  30 , and T/B copper lined interlocking slots  94  with attached T/B short copper ribbon band line connectors  86  (as shown). Upon assemblage of extension screen frame  92  attachment with logic board  102  encasement of  FIG. 13 , extension screen frame  92  T/B short copper ribbon band line connectors  86  fasten to logic board circuitry (not shown) for power integration with T/B copper lined interlocking slots  94 . Dimensions of interlocking slots are 1/16 by 1¾ inches and 1/16 inches in diameter. 
       FIG. 14  provides a perspective view of right hand side extension screen frame  92  of  FIG. 13B  in assemblage with extension screen  92  logic board encasement  102  of  FIG. 13A  mounted inside top and bottom slide track chamber  106  shells of  FIGS. 15C and 15D  of the drawings, where upon slide track chamber  106  shells encompass locking mechanism snags  108  which protrudes (dashed lines) inwardly and trap locks into extension screen frames&#39;  92  of  FIGS. 10 and 11  interlock cavities  100  upon entrapment inside slide track chambers  106  storage compartments  110  of  FIGS. 21 and 22  of the drawings. Dimensions of interlock cavities  100  are ⅛ by ⅛ inches. 
       FIG. 15A  provides a perspective detachment forward view of top slide track chamber  106  shell of  FIG. 14  which encompass two-fold passageway/storage compartments  110  amongst other interior components, dimensions of top slide chamber  106  are 2 6/16 by ¼ inches and 7/16 inches wide. 
       FIG. 15B  provides an assemblage interior view of bottom slide track chamber  106  shell of  FIG. 14 , which encompass two-fold passageway and storage compartments  110  of  FIG. 15A , a center divider  112  (as more clearly shown in  FIG. 15E ) which separate left and right hand side extension screen frames  92  of  FIG. 21  when both are retracted inside slide track chambers&#39;  106  top to bottom two-fold passageway and storage compartments  110  of  FIGS. 21 and 22  of the drawings. Dimensions of bottom slide track chamber  106  are 2 6/16 by ¼ and 7/16 inches wide. 
       FIG. 15C  provides a detachment view of top slide track chamber  106  shell of  FIG. 14 . 
       FIG. 15D  provides a detachment view of bottom slide track chamber  106  shell of  FIG. 14 . 
       FIG. 15E  provides a perspective isolation view of slide track chamber  106  center divider  112  (relevant dashed lines) of  FIG. 15B  which dimensions are 1 15/16 by 5/16 and 1/16 inches thick. 
       FIG. 16A  provides an alignment view of top slide track chamber  106  shell with micro-screw assembly holes  30  of  FIG. 15C  and slide track chambers  106  front assemblage plate  114  of  FIG. 17  of the drawings, which encompass micro-screw assembly holes  30 . By way of their respective micro-screw assembly holes  30  top slide track chamber  106  shell and slide track chambers&#39;  106  front assemblage plate  114  assembles together. Dimensions of front assemblage plate  114  are 1 15/16 by 4½ inches and 1/16 inches thick. 
       FIG. 16B  provides an alignment view of bottom slide track chamber  106  shell with micro-screw assembly holes  30  of  FIG. 15D  and slide track chambers&#39;  106  rear assemblage plate of  FIG. 17  of the drawings, which encompass micro-screw assembly holes  30 . By way of their respective micro-screw assembly holes  30  bottom slide track chamber  106  shell and slide track chambers&#39;  106  rear assemblage plate  114  assembles together. Dimensions of rear assemblage plate are 1 15/16 by 4½ inches and 1/16 inches thick. 
       FIG. 17  provides a shell view of slide track chambers&#39;  106  two-fold passageway/storage unit of  FIG. 18  of the drawings, which configuration is by way of top/bottom slide track chambers  106  and front/rear assemblage plates  114  of  FIGS. 16A and 16B . 
       FIG. 18  provides an assembled interior view of slide track chambers&#39;  106  two-fold passageway/storage unit  116  shell assemblage of  FIG. 17 , which encompass micro-screw assembly holes  30 , mounted top/bottom slide track chambers  106  of  FIGS. 15 and 15A , two-fold passageway/storage compartments  110  with partially extracted left/right hand side extension screen frames  92  of  FIG. 12  mounted inside passageways  110  of  FIGS. 15 and 15A  whereby entire two-fold passageway/storage unit  116  mounts in between vast spacing of top/bottom extended framings  74  of display screen prefabrication  8  frame structure of  FIG. 6  by way of alignment with relevant extended framings  74  affixed top and bottom micro-screw assembly holes  30 . 
       FIG. 19  provides a perspective interior view of display screen prefabrication  8  frame structure of  FIG. 12 , which encompass mounted top/bottom slide track chambers  106  of  FIG. 18 , slide track chambers&#39;  106  center divider  112  of  FIG. 15E , display screen prefabrication  8  interlock ridges  32  (small boxed dashed lines), fully extracted left/right hand side extension screen frames  92  of  FIG. 18 , which encompass top/bottom copper lined inter locking slots  94  and top/bottom flexible metallic arms  96  of  FIG. 20  of the drawings, while circular directional arrows of right hand side extension screen frame  92  depicts how either extension screen frames  92  are released from interlockment for retraction back to storage of  FIG. 21  of the drawings. Both extension screen frames  92  which are firmly locked into stationary positions by way of their respective inter locking slots  94  attachment with display screen prefabrication  8  inter lock ridges  32  and flexible metallic arms&#39;  96  affixed inter lock cavities  100  entrapment with slide track chambers&#39;  106  locking mechanism snags  108  of  FIG. 14 , can only be released from interlockment by termination of entrapment tension amongst locking components. 
       FIG. 20  provides a flexibility view of respective extension screen frames  92  of  FIGS. 10 and 11  flexible metallic arms&#39;  96  adaptability (as more clearly shown with flexible metallic arms  96  of left hand side extension screen frame  92  of  FIG. 19 ), which encompass impressed locking grooves  98  of  FIG. 19 . Impressed locking grooves  98 , which serves as stoppage points upon extension screen frames  92  of  FIG. 19  full extraction from slide track chambers&#39;  106  two-fold passageway/storage unit  116  of  FIG. 18 , limit flexible metallic arms&#39;  96  movement during extraction process through slide track chambers&#39;  106  passageways  110  whereby preventing either extension screen frame  92  from being completely extracted from their respective assemblage inside slide track chambers&#39;  106  two-fold passageway/storage unit  116 . 
       FIG. 21  provides an interior view of retracted extension screen frames  92  of  FIG. 19  storage behind display screen middle prefabrication  8  of  FIGS. 1 and 22  of the drawings, which encompass micro-screw assembly holes  30  and top/bottom slide track chambers&#39;  106  storage compartments  110  of  FIG. 18 . By way of micro-screw assembly holes  30   FIG. 21  aligns with  FIG. 7  for a side view configuration of  FIG. 22B  of the drawings. 
       FIG. 22A  provides a perspective side view of display screen middle prefabrication  8  frame structure of  FIG. 21 , which encompass T/B assembly pegs  28 , T/B extended framings  74 , T/B slide track chambers  106  of  FIGS. 15 and 15A , display screen logic board  36  of  FIG. 5 , slide track chambers&#39;  106  front assemblage plate  114  of  FIG. 16 , slide track chambers&#39;  106  two-fold passageway/storage compartments  110  of  FIG. 18  and retracted storage extension screen frames  92  of  FIG. 21 . Display screen logic board  36  which length extends from top to bottom extended framings  74 , transparently occupy the empty spacings in-between display screen prefabrication  8  (outer dashed lines) and slide track chambers&#39;  106  front assemblage plate  114  (parallel of inner dashed lines). 
       FIG. 22B  provides an interior side view of rear sectional prefabrication  50  of  FIG. 7 , which encompass a rear camera lens/flash compartment enclosure  82 , a battery compartment enclosure  84  and T/B rear frame overlaps  57 . Battery compartment enclosure  84  which has dimensions of 1 15/16 by 3 3/16 and 3/16 inches in diameter has space to pack a sizable 3220 mah battery which is removable in the event one would like to swap a dead battery for a fully charged one. With extension screens  92  of  FIG. 23  of the drawings being a featured attraction one need not worry about the battery life potential of the 3220 mah battery which is bigger than that of the 3200 mah battery generally found in leading brand smart phones, as the 3220 mah battery can last an entire day with heavy usage of either extension screen  92  in operation individually or together with attached display screen  90  of  FIG. 23 . Dimensions of rear camera lens/flash compartment enclosure  82  are 6/16 by 7/16 and 3/16 inches in diameter. 
       FIG. 22C  provides a joined side view assemblage of  FIGS. 22A and 22B , which encompass micro-screw assembly holes  30 , T/B assembly pegs  28  of  FIG. 2 , and T/B rear frame overlaps  57  of  FIG. 3 . In assemblage top  6  and bottom cap  12  prefabrications respectively of  FIGS. 4 and 4A  by way of their respective assembly cavities  26  of  FIG. 2 , aligns with T/B assembly pegs  28  affixed micro-screw assembly holes  30  and T/B rear frame overlaps  57  for configuration attachments of  FIG. 25  of the drawings. Rear frame overlaps  57  dimensions are 2 6/16 by ⅛ and 1/16 inches in diameter. 
       FIG. 23  provides a perspective view of display screen middle prefabrication  8  of  FIG. 12 , which encompass display screen logic board  36  of  FIG. 2 , fully extracted extension screens  92  and L/R frameless creased edges  118  of  FIG. 24  of the drawings. While display screen logic board  36  encompass several electronic circuits (not shown), which renders it satisfactory for software programming, fully extracted extension screens  92  encompass extension screen logic board encasement of  FIG. 13B . Both extension screens  92  by way of their attached display screen  104  contour tapered edges (dashed lines) of extension screen logic board encasement of  FIG. 13A , blends level with frameless creased edges  118  (dashed lines) of attached display screen  90  encasement of  FIG. 9B  for a smooth transition upon extension screens  92  extraction from storage of  FIG. 21  to ether sides of middle display screen  90  shown. 
       FIG. 24  provides an overall perspective view of  FIG. 1  with fully extracted extension screens  92  of  FIG. 23  joined at either sides of middle display screen prefabrication  8 , which encompass L/R frameless creased edges  118  of  FIG. 23 , L/R circular extension screen fingertip grips  10  of  FIG. 1 . L/R frameless creased edges  118  which are make shift framing lines at either sides of attached display screen  90  (dashed lines) of  FIG. 9B  help create an authentic appearance of a singular large middle display screen  90  with extension screens  92  of  FIG. 23  joined at either sides of display screen  90  where upon frameless creased edges  118  fade with contour tapered ends of either extension screen  92  for distinct appearance of one large display screen where in middle display screen  90  dimensions increase from 2 6/16 by 4½ inches to 7⅛ by 4⅜ inches. 
       FIG. 25  provides a perspective side view of  FIG. 1  in actual dimensions, which encompass top  6  and bottom cap  12  prefabrications respectively of  FIGS. 4A and 4B , display screen middle prefabrication  8  frame structure of  FIG. 21 , rear sectional prefabrication  50  of  FIG. 7  where in all prefabrications are assembled as three-dimensional extension screen SMART PHONE of  FIG. 1 . 
     To operate my new SMART PHONE a user must extract both extension screens  92  of  FIG. 24  from storage behind display screen middle prefabrication  8  of  FIG. 21  where in the extension screens  92  are attached by their respective top and bottom flexible metallic arms  96  of  FIG. 20  inside top and bottom slide track chambers  106  of  FIG. 19 . Both extension screens  92  are extracted when a user grasps either screens&#39;  92  respective circular fingertip grip  10  of  FIG. 1  and pulls outwards where upon extension screens  92  of  FIG. 24  appear at either sides of middle display screen  90 . 
     Upon extension screens  92  consolidation with display screen  90  of  FIG. 23 , extracted extension screens  92  which are fastened unto embedded copper power track connectors  78  of  FIG. 9  by way of extension screens  92  inter locking slots  94  of  FIG. 19 , are instantly powered with display screen  90  where upon L/R motion sensors  16  of  FIG. 2  automatically integrate extension screens  92  operational functions with those of middle display screen  90  of  FIG. 23 , while operational functions between display screen  90  and top  6 /bottom cap  12  prefabrications of  FIG. 2  comes by way of top/bottom female ribbon band connectors  66  respectively of  FIGS. 4 and 4A  intercourse with top/bottom male ribbon band connectors  38  of  FIG. 2 . 
     Both extension screens  92  upon full extraction from storage of  FIG. 21  by way of their respective interlock cavities  100  entrapment with locking mechanism snags  108  of  FIG. 14  and either screens&#39;  92  respective inter locking slots  94  of  FIG. 19  attachment with inter lock ridges  32 , locks into stationary positions of  FIG. 19  as shown, where upon neither screen  92  can be unlocked for retraction back to storage except by sight upwards lifting on either screens&#39;  92  rear surface as directional arrows of  FIG. 19  depicts. Once locking tension is released by upwards lifting both extension screens  92  slides easily from interlock ridges  32  of  FIG. 19  for retraction back to storage of  FIG. 21  where neither screen  92  can be totally extracted from respective assemblage inside slide track chambers&#39;  106  two-fold storage compartments  110  as extension screens&#39;  92  impressed locking grooves  98  of  FIGS. 10 and 11  are designed for such prevention. 
     When middle display screen  90  of  FIG. 23  is joined with extracted extension screens  92  of  FIG. 24  at either sides, middle display screen  90  dimensions of 2 6/16 by 4½ inches increase to 7⅛ by 4⅜ inches where upon extension screen SMART PHONE, equipped to operate off today&#39;s relevant SMART PHONE software, overall appearance of  FIG. 1  transform into that of  FIG. 24  with a conveniently located volume control bar  52  on rear side of top cap  6  prefabrication. 
     Alternative Embodiments 
     Alternatively, instead of an extension screen slide track chambers concept where by additional viewing screens can be joined at either side of middle display screen upon extraction from two-fold passageway/storage compartments of mounted slide track chambers, extension screens can also be consolidated with middle display screen by way of snap, latch, or hook attachment, and any other relevant means where in extension screens can be an ideal feature at either sides, tops, or bottoms of any SMART PHONE and conventional cell phone alike display screens. 
     Having fully explained my invention, I claim the concepts of a SMART PHONE slide track chamber system in which extension screens by way of circular fingertip grips can be extracted from two-fold passageway/storage compartments for effects of a much larger viewing screen upon extension screens consolidation at either sides of middle display screen, I further claim a three-dimensional extension screen SMART PHONE multi-task concept, where by SMART PHONE and conventional cell phone users alike can simultaneously multi-task in select internet activity on three separate viewing screens as results of a prefabricated SMART PHONE with featured individual extension screens. 
     2. Operation of the Preferred Embodiment 
     To operate the invention&#39;s dual extension screen, a user must extract extension screens  92  of  FIG. 24  from storage behind display screen middle section prefabrication  8  of  FIG. 21 , wherein extension screens  92  are attached by their respective top/bottom flexible metallic arms  96  of  FIG. 20  to interior of top and bottom slide track cambers  106  of  FIG. 19 . Both extension screens  92  are extracted when a user grabs either screen&#39;s respective circular fingertip grip  10  of  FIG. 1  and pull outwards, whereupon extension screens  92  of  FIG. 24  appear at either side of the main display screen  90 . 
     Both extension screens  92  upon extracted consolidation with main display screen  90  of  FIG. 23  are instantly empowered with main display screen  90  as extracted extension screens  92  are fastened onto embedded copper powertrack connectors  78  if  FIG. 9  against extension screens  92  copper lined interlocking slots  94  of  FIG. 19 , whereupon left and right hand side motion sensors  16  of  FIG. 2  automatically integrate extension screens operational functions with those of main display screen  90  of  FIG. 23 , while operational functions between main display screen  90  and top cap/bottom cap sectional prefabrications  6  and  12  respectively of  FIG. 2  comes through top and bottom female ribbon band connectors  66  of  FIGS. 4A and 4B  attachment with top and bottom male ribbon band connectors  38  of  FIG. 2 . 
     As shown in  FIG. 19 , both extension screens  92  upon full extraction locks into stationary positions by way of each respective interlock cavities  100  of  FIGS. 10 and 11  entrapment against locking mechanism snags  108  of  FIG. 14  and interlocking slots  94  of  FIG. 19  attachment to interlock ridges  32 . Once locked into stationary positions neither extension screen  92  can be unlocked for retraction back to storage except by slight upwards lifting on either screens  92  rear surface as directional arrows of  FIG. 19  depict. Neither extension screen  92  can never be intentionally or over extracted from its position of assemblage as impressed locking grooves  98  of  FIGS. 10 and 11  are designed as safeguard for such prevention. 
     Main display screen  92  of  FIG. 23  when consolidated with extracted extension screens  92  of  FIG. 24 , increase in overall dimensions of 2⅜ by 4½ inches to 7⅛ by 4⅜ inches with a conveniently located volume control bar  52  on rear side of top cap sectional prefabrication  6 . 
     The foregoing descriptions of specific embodiments of the present invention are presented for purposes of illustration and description. They are not intended to be exhaustive nor to limit the invention to precise forms disclosed and, obviously, many modifications and variations are possible in light of the above teaching. By way of example, and not as a limitation, the extension screens can be attached to the immediate sides of main display screen by way of hook or latch attachment; the four manual control buttons affixed to the bottom cap sectional prefabrication can be integrated into the tough screen operational functions; the slide tracking chamber system in which the extension screens are retractable can be easily adapted for electrical operational function; and extension screens can be affixed for vertical extraction/retraction fixture at the top and bottom of the devices, as opposed to the present design of horizontal. The embodiments are chosen and described in order to best explain principles of the invention and its practical application, to thereby enable others skilled in the art to best utilize the invention and its various embodiments with various modifications as are suited to the particular use contemplated. It is intended that a scope of the invention be defined broadly by the Drawings and Specification appended hereto and to their equivalents. Therefore, the scope of the invention is in no way to be limited only by any adverse inference under the rulings of  Warner - Jenkinson Company, v. Hilton Davis Chemical,  520 US 17 (1997) or  Festo Corp. v. Shoketsu Kinzoku Kogyo Kabushiki Co.,  535 U.S. 722 (2002), or other similar caselaw or subsequent precedent should not be made if any future claims are added or amended subsequent to this Patent Application.