US PATENT SUBCLASS 177 / 250
.~ Counterweight retention

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

246  DF  BEAM {6}
250.~ Counterweight retention

DEFINITION

Classification: 177/250

(under subclass 246) Apparatus with means to retain a counterweight in set position with respect to the beam.

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154+, for means holding a load driven element against motion.