US PATENT SUBCLASS 177 / 46
.~ In unbalance

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

45  DF  WITH ALARM OR SIGNAL {3}
46.~ In unbalance

DEFINITION

Classification: 177/46

(under subclass 45) Apparatus wherein a signal or indicator is given when the load differs from the desired datum or preset i.e., just before the balance of a beam overload.