US PATENT SUBCLASS 400 / 173
.~ With means for exposing last-typed character

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

139  DF  INCLUDING TYPE-SET-ASSEMBLAGE MOUNTED ON CARRIER AND RELATIVELY MOVABLE FOR SELECTION AND FOR IMPACT OF TYPE-FACE {11}
173.~ With means for exposing last-typed character

DEFINITION

Classification: 400/173

With means for exposing last-typed character:

(under subclass 139) Subject matter wherein significance is attributed to means for showing the typist the character* symbol that was imprinted just prior to the time that the typist wished to see the character.

SEE OR SEARCH THIS CLASS, SUBCLASS:

124.01+, for similar subject matter in a "matrix" printer typewriter.