US PATENT SUBCLASS 235 / 78 F
.~.~.~ Financial

Current as of: June, 1999
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235 /   HD   REGISTERS

61 R  DF  CALCULATORS {52}
77  DF  .~ Single axis {3}
78 R  DF  .~.~ Concentric disk {6}
78 F.~.~.~ Financial

Unofficial Alpha Subclasses: R A F G M N RC

DEFINITION

Classification: 235/78

(under subclass 77) Calculating-machines whose registering devices comprise a plurality of disks numbered on their faces and mounted in a base, said disks being placed concentrically on a single shaft or axis.

SEE OR SEARCH THIS CLASS, SUBCLASS:

41, and 116, for other concentric disk devices.