US PATENT SUBCLASS 400 / 35
.~ Including case-shift by shifting platen

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

23  DF  FOR TYPING ON FLAT RECORD-MEDIUM OR AGAINST FLAT PLATEN {14}
35.~ Including case-shift by shifting platen

DEFINITION

Classification: 400/35

Including case-shift by shifting platen:

(under subclass 23) Subject matter wherein significance is attributed to a typewriter in which type-face* elements impact against a flat platen*, and wherein significance is also attributed to movement of the platen to accomplish case-shift* from a lower-case* form of a letter to an upper-case* form of that letter.

SEE OR SEARCH THIS CLASS, SUBCLASS:

251, for case-shift mechanism.