US PATENT SUBCLASS 177 / 47
.~ In balance

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

45  DF  WITH ALARM OR SIGNAL {3}
47.~ In balance {1}
48  DF  .~.~> Electric

DEFINITION

Classification: 177/47

(under subclass 45) Apparatus which indicates the attainment of the desired datum or preset.