US PATENT SUBCLASS 73 / 538
.~.~.~ Snap action

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

488  DF  SPEED, VELOCITY, OR ACCELERATION {29}
535  DF  .~ Centrifugal weight type {10}
537  DF  .~.~ Bias automatically variable during operation {1}
538.~.~.~ Snap action

DEFINITION

Classification: 73/538

(under subclass 537) Apparatus with a snap action effect.