US PATENT SUBCLASS 384 / 93
.~.~ Lubricating detail

Current as of: June, 1999
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384 /   HD   BEARINGS

91  DF  ROTARY BEARING {8}
92  DF  .~ Roller drill bit {4}
93.~.~ Lubricating detail

DEFINITION

Classification: 384/93

Lubricating detail:

(under subclass 92) Subject matter having specified structure, or details of a bearing lubrication system.

(1) Note. This subclass is limited to liquid, or grease type lubrication systems.

SEE OR SEARCH THIS CLASS, SUBCLASS:

95, for a solid lubricant in, or on a bearing surface.