US PATENT SUBCLASS 400 / 281
.~.~ Member is punched tape or card

Current as of: June, 1999
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400 /   HD   TYPEWRITING MACHINES

279  DF  CONTROL OF PRINT POSITION ALONG PRINT-LINE BY SIGNAL GENERATED BY PROGRAMMED-CONTROL-SYSTEM {2}
280  DF  .~ Program is indicia on auxiliary member {1}
281.~.~ Member is punched tape or card

DEFINITION

Classification: 400/281

Member is punched tape or card:

(under subclass 280) Subject matter wherein the supplementary element is an elongated, relatively narrow strip of material, or a sheet of material, said material having apertures formed therein in a particular pattern, and the apertures representing the instructions governing the operation of the typewriter.