US PATENT SUBCLASS 235 / 87 R
.~.~ Cylinder

Current as of: June, 1999
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235 /   HD   REGISTERS

61 R  DF  CALCULATORS {52}
85 R  DF  .~ Tabular {5}
87 R.~.~ Cylinder {1}
87 A  DF  .~.~.~> Computing and weighing scales

Unofficial Alpha Subclasses: R A

DEFINITION

Classification: 235/87

(under subclass 85) Tabular calculators having tables formed or placed upon cylinders.