Patent Publication Number: US-D987630-S

Title: Front surface of a display screen

Description:
FIG.  1    is a front view of a first embodiment of a front surface of a display screen showing our new design; 
         FIG.  2    is a front view of a second embodiment of a front surface of a display screen showing our new design; 
         FIG.  3    is a front view of a third embodiment of a front surface of a display screen showing our new design; and, 
         FIG.  4    is a front view of a fourth embodiment of a front surface of a display screen showing our new design.  
       The broken lines, showing a graphical user interface visible on the display screen in  FIGS.  1 - 4   , represent environmental subject matter and form no part of the claimed design. The broken lines, showing a mobile device in  FIGS.  1 - 4   , represent environmental subject matter and form no part of the claimed design. The rear, top, bottom, left side, and right side views are omitted and form no part of the claimed design.