US PATENT SUBCLASS 177 / 171
.~ Lever balance-type beam

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

164  DF  PRESET {7}
171.~ Lever balance-type beam {1}
172  DF  .~.~> Load-arm length

DEFINITION

Classification: 177/171

(under subclass 164) Apparatus immediately associated with a beam which is substantially level in both the balanced loaded and balanced unloaded conditions.