US PATENT SUBCLASS 474 / 191
.~.~ Rubber

Current as of: June, 1999
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474 /   HD   ENDLESS BELT POWER TRANSMISSION SYSTEMS OR COMPONENTS

166  DF  FRICTION DRIVE PULLEY OR GUIDE ROLL {11}
190  DF  .~ Including nonmetallic belt-engaging surface portion {3}
191.~.~ Rubber {1}
192  DF  .~.~.~> With embedded metal layer

DEFINITION

Classification: 474/191

Rubber:

(under subclass 190) Subject matter wherein the surface intended for driving engagement with the belt* is formed of rubber. [figure]