US PATENT SUBCLASS 177 / 37
.~.~.~ Rotatable drum

Current as of: June, 1999
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177 /   HD   WEIGHING SCALES

25.11  DF  COMPUTER {5}
34  DF  .~ Tabular-type computer {5}
36  DF  .~.~ Weigher moves table {2}
37.~.~.~ Rotatable drum {2}
38  DF  .~.~.~.~> With manually operated reading assistance
39  DF  .~.~.~.~> With additional reading window in drum housing

DEFINITION

Classification: 177/37

(under subclass 36) Apparatus in which the chart is in the form of a rotatable drum.