US PATENT SUBCLASS 235 / 89 R
.~.~ Sheet

Current as of: June, 1999
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235 /   HD   REGISTERS

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

Unofficial Alpha Subclasses: R A

DEFINITION

Classification: 235/89

(under subclass 85) Tabular calculators having tables placed upon sheets, the sheets being attached to a frame either permanently or temporarily and a guiding-strip or the like being provided to used in connection with the sheets.