US PATENT SUBCLASS 235 / 81 A
.~.~.~.~.~ Odner type

Current as of: June, 1999
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235 /   HD   REGISTERS

61 R  DF  CALCULATORS {52}
77  DF  .~ Single axis {3}
79  DF  .~.~ Cylinder {3}
80  DF  .~.~.~ Keyless {1}
81 R  DF  .~.~.~.~ Lever operated {1}
81 A.~.~.~.~.~ Odner type

Unofficial Alpha Subclasses: R A

DEFINITION

Classification: 235/81

(under subclass 80) Calculators whose registering devices comprise cylinders placed side by side upon a single axis, these cylinders being operated by levers or equivalents having handles or the like movable to different extents over a graduated plate.