US PATENT SUBCLASS 177 / 196
.~.~.~ Torsion bearing type

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

190  DF  EQUAL ARM TYPE {5}
194  DF  .~ With bias toward balance {1}
195  DF  .~.~ By spring {1}
196.~.~.~ Torsion bearing type

DEFINITION

Classification: 177/196

(under subclass 195) Apparatus wherein the spring serves as a bearing.