US PATENT SUBCLASS 74 / 437
.~.~ Irregular teeth and bodies

Current as of: June, 1999
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74 /   HD   MACHINE ELEMENT OR MECHANISM

640  DF  GEARING {31}
434  DF  .~ Rotary bodies {5}
437.~.~ Irregular teeth and bodies

DEFINITION

Classification: 74/437

(under subclass 434) Devices, having peripheries of noncircular form or irregularly shaped teeth, or both.