US PATENT SUBCLASS 235 / 41
.~.~ Concentric disk

Current as of: June, 1999
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235 /   HD   REGISTERS

33  DF  FARE REGISTERS {11}
40  DF  .~ Single axis {3}
41.~.~ Concentric disk

DEFINITION

Classification: 235/41

(under subclass 40) Fare-registers whose registering devices comprise a plurality of disks numbered on their faces and placed concentrically upon a single shaft or axis.

SEE OR SEARCH THIS CLASS, SUBCLASS:

78, and 116, for other single axis, concentric disk devices.