US PATENT SUBCLASS 177 / 191
.~ With counterweight manipulating means

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

190  DF  EQUAL ARM TYPE {5}
191.~ With counterweight manipulating means {1}
192  DF  .~.~> Elongated flexible counterweight

DEFINITION

Classification: 177/191

(under subclass 190) Apparatus with means for handling a counterweight.