US PATENT SUBCLASS 73 / 672
.~.~ Having a rotatable imbalanced mass

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

570  DF  VIBRATION {10}
662  DF  .~ Vibrator {4}
672.~.~ Having a rotatable imbalanced mass

DEFINITION

Classification: 73/672

Having a rotatable imbalanced mass:

(under subclass 662) Subject matter wherein the vibrator is vibrated by an imbalanced rotating mass.