US PATENT SUBCLASS 384 / 305
.~.~.~.~ Grooved

Current as of: June, 1999
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384 /   HD   BEARINGS

91  DF  ROTARY BEARING {8}
129  DF  .~ Plain bearing {17}
302  DF  .~.~ Distributed weight {2}
303  DF  .~.~.~ For thrust bearing {3}
305.~.~.~.~ Grooved

DEFINITION

Classification: 384/305

Grooved:

(under subclass 303) Subject matter wherein the thrust distributing means comprises grooves in a bearing surface.