US PATENT SUBCLASS 464 / 80
.~.~ Nonmetallic


Current as of: June, 1999
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464 /   HD   ROTARY SHAFTS, GUDGEONS, HOUSINGS, AND FLEXIBLE COUPLINGS FOR ROTARY SHAFTS

51  DF  TORQUE TRANSMITTED VIA FLEXIBLE ELEMENT {16}
79  DF  .~ Element includes diverging wall portions defining annular groove completely surrounding rotational axis (e.g., bellows) {1}
80.~.~ Nonmetallic


DEFINITION

Classification: 464/80

Nonmetallic:

(under subclass 79) Subject matter wherein said element is formed of a material other than metal.