US PATENT SUBCLASS 177 / 209
.~.~ Interconnected load-supporting expansible chamber

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

201  DF  SELF-POSITIONING {9}
208  DF  .~ Fluid transmission to pressure gauge {1}
209.~.~ Interconnected load-supporting expansible chamber

DEFINITION

Classification: 177/209

(under subclass 208) Apparatus wherein the pressure is developed by the action of the load holder on a plurality of interconnected expansible chambers.