US PATENT SUBCLASS 177 / 217
.~.~ Plural opposed

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

201  DF  SELF-POSITIONING {9}
216  DF  .~ Pendulum {3}
217.~.~ Plural opposed {2}
218  DF  .~.~.~> Translatable
219  DF  .~.~.~> Tape-driven

DEFINITION

Classification: 177/217

(under subclass 216) Apparatus including two pendulums mounted on coaxial or parallel pivots and which swing in opposite directions in counter-balancing the load.