US PATENT SUBCLASS 384 / 472
.~.~.~.~ Impeller

Current as of: June, 1999
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384 /   HD   BEARINGS

91  DF  ROTARY BEARING {8}
445  DF  .~ Antifriction bearing {9}
456  DF  .~.~ Radial bearing {9}
462  DF  .~.~.~ Lubricating {12}
472.~.~.~.~ Impeller

DEFINITION

Classification: 384/472

Impeller:

(under subclass 462) Subject matter wherein the bearing, per se, includes structure for impelling lubricant.

SEE OR SEARCH THIS CLASS, SUBCLASS:

465, for a centrifugal impeller.

471, for reciting the creation of pressure or suction.