US PATENT SUBCLASS 235 / 63 E
.~.~ Auto-control incident to multiplying and dividing

Current as of: June, 1999
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235 /   HD   REGISTERS

61 R  DF  CALCULATORS {52}
63 R  DF  .~ Traveling carriage {14}
63 E.~.~ Auto-control incident to multiplying and dividing

Unofficial Alpha Subclasses: R A B C D E F G H J K L KP KS DE

DEFINITION

Classification: 235/63

(under subclass 61) Calculating-machines having a single set of keys and having devices movable from order to order of the registering mechanism and connecting the keys successively therewith.