US PATENT SUBCLASS 340 / 631
.~.~.~.~ Lubricant

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

500  DF  CONDITION RESPONSIVE INDICATING SYSTEM {6}
540  DF  .~ Specific condition {18}
603  DF  .~.~ Fluent material {7}
627  DF  .~.~.~ Particle suspension in fluid {2}
631.~.~.~.~ Lubricant

DEFINITION

Classification: 340/631

Lubricant:

(under subclass 627) Subject matter wherein the particle suspension is in, or of, a lubricating liquid for a mechanical device.

SEE OR SEARCH THIS CLASS, SUBCLASS:

682, for bearing condition in general.

SEE OR SEARCH CLASS

73, Measuring and Testing,

53.05, for lubricant testing.