US PATENT SUBCLASS 177 / 247
.~ Coarse and fine sliders

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

246  DF  BEAM {6}
247.~ Coarse and fine sliders

DEFINITION

Classification: 177/247

(under subclass 246) Apparatus wherein one counterweight is adjustable along a beam slide and another lighter counterweight is adjustable along another slide.