US PATENT SUBCLASS 464 / 8
.~ Lubricant impregnated into material

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

7  DF  HAVING LUBRICATING MEANS {5}
8.~ Lubricant impregnated into material {1}
9  DF  .~.~> Metallic material

DEFINITION

Classification: 464/8

Lubricant impregnated into material:

(under subclass 7) Subject matter wherein said lubricant is applied by means of a porous surface and wherein said porous surface is permeated by said fluid substance so that said flowable substance is located on and beneath the surface of said device throughout the extent of said porous surface.