REF ID:A39670 

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@'pproved for Release by NSA on 01-02-2014 pursuantto E.O. 1352a 
REF ID:A39670 

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1. Your tile ef the sU1iJareet. a~ ·and the tr.a:mmdttd. 1~ 

tararding the same •• 111~ l945r, ·are. retul!Ded ·hllln!tih.. 

2. ilee ~ hernlth are au ~,ad am.'~ iCO,Pi' ,ot 

the pref)Oeed A:lwmlment Jin :respmme, to Patent. Gfflce ~ 26 ,Se,~ 

1942. 

ii. lncl. 

T/S. 31 J.u1¥ 45 •/l J!Dci n/c 

and 2 cps PreJ*l9d Awndmtmt 

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REF ID:A39670 

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ID ft9J>'l8M te the eftlc1al letter et Julf 27; lC).391 aendMnt 

1• ...... te-llon-1 

Cldla 1 Um S eh-. •·iie ~ toa s;mn•W t@ 

Clda l l1ne S ctumge •te !>fff'.... '81 fer tff19t111 

GlU.11 2 line § ebaBp •ta pertora• 'boa ts ett1qt.aa 

C1a1a 9, chaac• the par1ed at the emd o! tJae claim to a Goam& and 

.... eu !l!cWHal ... eastituU. mean.a -rgiz!sl Dz the outpt et aai4 !E!!'-&"9• 'te !!!flUe aa14 dinices u well as ta move 

MM ---.talora imp.1.aFll ucery11g to the .trregplarities &t the 

R'rf "W PwS'1P! • 1 !' dQnn Jp;r the optp»t of th' 'f"'utatora 

t• mr1·• !M F -

Clai.11 16 line 8 changes "peralt11 to qau• 

Clda 11 line 7 caneela "mane to pro'rld.e". Change "eharmels• 

te1 girop1,ts 

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REF ID:A39670 

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Cl.aia\ 18 line 8 art.er 11 cantacts11 insert a CCllNI. am after 

such coaa inaert: JW!Ds...astJ.&t!i. lu e"' pircl*1,tl 

Claim 19 lim 5 cc1cel noelt eontrollad11 • Cbmge the peried 

at the end or the cl.!da to a couaa and &611 "'d lllF' M.so in= 

1ttasu4;a IQYWtlt o{ .. ~th1 S'P"W!torn. 

Claim 2l liJle 4, ctinoel • aelf' controlled". If.now t.'ie per:iod. 

Cl&ill 22 linea 4 m3d 5, c:aneel 11 self ccmtrollecl11 

Claim 23 llne S 08.D081 • Ml.t eorrt'rollr.d" 

Claill 'Z'I llntt 8 ebqe "in~itie_. ten "'I" 

Add the tol.law1ng eJ•t•1 

34. In the an or eeyptograpb.r, the at.hod ot eeipber1ng . . 

a mesup which inelmes establiab:lng a eryp~ nWdd.ea 

between the pla.tn text and. the eipber text for a tbst plain tut 

character, and ebaP,ain& th• eryptographie rel.at.ion tor a INbaequent 

plain ten eharneter ill a aanaer dependent on th9 said ~ 

r•latJ.Gm$hip f'or said t1rst ebaracter. 

J6. ID the art of C17Ptoi rap., the Mthod ol eneiph.erma a 

... ..,,. 11bich Ulelude• establlahbJ& a Cl7J>tGgraphic relatimetd:J 

bet._. the plain text al'ld cipher ten tor each of a aerie• ~ 

the ebl"l"act.o ··e. to be tranSllt1 tted wM.eh :relatioaaldp 1a ~ 

tor e,jeh eharacter 1n a degree depandclt upm the e!'J'Ptepapld&/ 

relationship of preead!nc input =d. output ~n. 

)6.. Coniziol c...natilag .... cmpriabc in -~ .. 

plm.Ut.y of eomut.atmos eooperat.imfi to .e..iwq pPDllule 

irresular1t1ea in t.be text tranmitted than~ • CNtput 

end plate cooperatq with one ot said ecs:mt.&to:l'at a aeries et 

ta~ lecated on sa1d out.put md plate fer reee1v1Jt& _.qis&U. 

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REF ID:A39670 

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frOBl aald ...... 1-n, 8M meua __.Uiag . ..w ~ ate 

a plsal.1- of P'f)t1J9, N4b pmip 1nolwliag 1IRtl 'thu _.. ~nfwl. 

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Tl. The embina-tlen, 1a a unteer•J>h maeJWaa, et a s·aies 

ot two or mere e...tAt.'tiera e00p9rat-tae with euh ether te &Na__. 

inly produae :lrreplaritle• la the text. tnnadt-ted -u.~. 

an end plate adJaeat te th• o-nater at .. .. er the 89l'ies, 

the CClllllUtator ad3acent ea1d end plate ha"f1nl tw sets ot .....mis. 

t.rnMa,,, 1n eaid ed plate eanpU..tar.Y in 1'13lher ua pedtiGD am 

cooperathlg with the reepeetive sepenta in th9 •anutater adj~t then-

'to, aeane em:ineetin& the rirst and seeoml sets or se.-t& o-t said 

end camriutator 1n an irregular aarmer, the cmamtator at the end ot 

the series opposite said end plate having OJ'.ll¥ cme eet of sepent.a, 

means eooperat.ing with the ecmmtator at the end of the serl.ea 

opposite said end plate tor mtereennectbg the sepente thereet, meana 

feeding the mput energiations to cme ot the tumi.JJals ~ sa1ci end 

plate, and means connectmg tezm:lnals of IB81d end plate toptmr 1n1K> 

a plural1t1' ot groups whereby to form an eatpu.t. 

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REF ID:A39670 

JI. & •· .,._ et ...,, • .,....,., e\!JllBIM~ ...,. e•pri&dJll 

·a pl~ty et MJ~ .....,_din& eGIJlllRRators, enl plate maana 

tw ,._.. plaD tat nergizat!ma hlto ma mm ~ add eGmll1:1tat1ng 

meaae &cl f'• ree•il'd.ng the llG'emblecl test ffta said comaut&Ung 

•ans., a plsalit7 et deviees, one tor eaeb of e&1d eemmutatere 

rempe~llq1 •Mih nah tlM'lee lnelWllng maama to retiate its respective 

~ wken tM cl•riee 1s en•gizecl, aeaem ccm1:1tat.ing means 

hanng lt-8 laput ._rgised and laavillg a plm-al1t7 of groups of output 

taldmls, one sr-11 ter •aeb ot add deviees, said seeond caautating 

•ana ~~ meas fer eaerpaing eid sroupa of output tera1nals 

:In 1rngular·taahian, and a plurality of means reepectivel.1' responsive 

ta energization et add groupe tor respecti'V8ly energizinl Mid devices. 

39. Ccmtl'Ol eemutat.iag means ccmprising in cmbinstion, a 

plvality ef eommutators eoeperati:lg to suece·rs•iveq produce :lrngularities 1n the text t.ranan1tted therethrough, an output end plate 

cooperating w.ltJl om of 118.id eammtators, a series ot terminals located 

cm said output end plate tor receiving energization tram said commutators, 

and means eonneeting said tel"Bl1nals int.a a plurality of groups, each 

greup inelud1ng one or more terminals. 

Thie is a "three-year" caee and eonsequantl.y this amendment is 

p •• •;. . . . . . .• .. ·.• ·"" ·. ....~ 
REF ID:A39670 

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a SN&Ollllble reepon • to the o!°r1c1al lett.r ot July 27, 19.'39. .All 

33 cld.118 re1'l&in in the cue. 

The oi."ticial i.tter ot July 'rl, 19)9 states t.';at the cl•:hns 

are rejected on t.he art as~ &pJ'l!ed. A studT ot the record :l.Dd1catea that elm"• 11 2 1 91 JD, 12, lJ-161 J.e-23, and Z'I 

wre pndouel.7 njected and a rt.•spo119e to that nject.1orl 18 eonThe dlllliner m his attar ot JulJ' 24, 19)6 reJsatad all clajme 

on the gL"Olmd. tbs atruetur. and .tuDction ot the universal b&T 111 !n• 

autliciantl.7 discloeed. U ap Ucant ovucoma th1a grotnl of nj·"'1on 

it ia ther1 Ai •JC'41'nt t.hat cl•~• 3-6, 111 17, 21,-27, and 28-33 

which haw not hereto.fore been rejected en •1 pouDd other tban 

:l.!lndeql.&te disel.onre aft ~ allowable. 

!be tena •uni'ftl"fM&l bar• bu a reaop!Md ~ 1n the M"t erul 

acCOl'd1ngl1' a detatlad Aeseriptioll ot the ~Um am aoiSe Oil 

add bJ" t.ba Suptw Court in 1'ebatar Lem eo. "'. 1Ug1M1 105 

u.s. 5801 sn6,. and al.so 111 Carnegie St.el eo. T. Cambria Il'OA eo. 

18S u.s. 4031 4711 •that which i• Cfl• 1cn ad well mom is u it 

;. t ~~ wr1~ten cmt. in the pateD1o ad del!mated 1n the drallinp.• -- ~--

the applicant. bu Wilded the r-ahdng claim 1n e a\'-Pb 

to cr-nf'ora to tb8 mrm1Mr'• vi.e'ww. It the .,_,lliM"' bu ideas 

on epec1t1c ~· or werdbtg or sllow1»gs in t.ha dra"1Dp a 

•••ires to suaen 81¥ chqM in word1tJg .. sbowinv,a, mpplleen.t 

will be al.ad to rece1w the 8tf81Ut!cm.s. 

The claf.M •• all thought to be pat.utable elDM the ref'erenaes do not uee the output ot their e..tatara to eoatrol t.ha 

11MSmt ot the ~tar bat the keJ'S 1iibmMlws ecmtrel the 

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ooaautators. The C17Ptogra~c MCt.11"1\7 or appllcmtl' coutnJct!a 

1a thv· ton YerJ' llUCh greater• '!'hia is OM of those cases often 

.fOUDtt in paterlt •tters where a aimple ebaace err.cw -.rke4 .taproftJ1811t 1n results - in this caM a marked increuM in ~ 

securit.7. The alaiu cal.l tC1l" a dc:r..iblAI tu.notion o£ the eor:autat.bJg 

uaria, =e .f\mct1oD to JIOW th• ~ M&1U1 and. anot!»r .tuneUca 

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REF ID:A39670 

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nplar tuh4.m d.,...,-nc ~· th• ~ap.t ~ et '119 

emaut&ting mas 111 mt temd !n tile e1W Fhr .t pat•te .• 

•thN elaSma J4 8Dll )5 ditt• trem tu et a,1tecl ba' ti. 

emta• Sa that Cl!'JP~ relatlem ,_. ••Hll!••t pl.ab ted 

eharactera is ehamgecl 1D a manner dependnt cm the en>tepapbte 

nlat!euhlp e~ the chuuter tnamnt"ltd. Sew eJ·•!m• 36 ad Tl 

relate spee1tieally to the eentnl ~ per se et ftgwn 2,. 

1n which a plurali'Q" o€ eanmut.atera are eam.Red te119tber. Jin 

cldm 38 nlatee to a combination &f a em:trel -.utatGr• 'that 

respect1f9ly oontrol the IJl8ftmnt of the eeveral cammtatere t.bet 

constitute the 111&1.n eonautatinc meams. T.henfen ela1a 38 Us 

patentable tor the B8D9 rell:llfB18 u cld• l•.3,, inclualw. Ql•i• 

39 covers the SBM aubjeet matter u claSa 36 aeept taa-i !t is 

slightq broader 1n scope, and it is patentable tor the same reaeon. 

Respect~ aubnitted 

W1 l J1 am D.. Ball 

At1KJrne7 tor .t.ppllemt. 

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