US PATENT SUBCLASS 73 / 464
.~.~.~ Rotatable switch

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

66  DF  ROTOR UNBALANCE {7}
460  DF  .~ Dynamic (spinning) {4}
462  DF  .~.~ With electrical sensor and indicator {4}
464.~.~.~ Rotatable switch

DEFINITION

Classification: 73/464

(under subclass 462) Subject matter including a rotatable switch or commutator means energized by vibration pick-up means.