US PATENT SUBCLASS 235 / 130 TC
.~ Typewriter computing

Current as of: June, 1999
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130 R  DF  LOCKING MECHANISM {2}
130 TC.~ Typewriter computing

Unofficial Alpha Subclasses: R KD TC

DEFINITION

Classification: 235/130

(under the class definition) Subject matter comprising devices for positively locking a part against movement,

either temporarily until the machine shall have operated to a certain extent or for such a time as the operator may desire.

SEE OR SEARCH THIS CLASS, SUBCLASS:

27, for devices for locking calculating machine keys against movement.

SEE OR SEARCH CLASS

400, Typewriting Machines,

663+, for typewriter key locks, and subclass 676 for machine locks.