US PATENT SUBCLASS 277 / 378
.~.~.~ Magnetic

Current as of: June, 1999
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277 /   HD   SEAL FOR A JOINT OR JUNCTURE

345  DF  SEAL BETWEEN RELATIVELY MOVABLE PARTS (I.E., DYNAMIC SEAL) {10}
358  DF  .~ Relatively rotatable radially extending sealing face member (e.g., face, mechanical, etc.) {9}
377  DF  .~.~ Particular axial biasing feature {3}
378.~.~.~ Magnetic

DEFINITION

Classification: 277/378

Magnetic:

(under subclass 377) Particular axial biasing feature wherein the axial bias is a polar field.

SEE OR SEARCH THIS CLASS, SUBCLASS:

501, for a dynamic circumferential contact seal for other than a piston and a magnetic means to bias the seal.

629, for a static contact seal for other than an internal combustion engine, or a pipe, conduit, or cable that uses magnetism.

SEE OR SEARCH CLASS

335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets;

209+, for a magnet or an electromagnet, configured or arranged to perform external mechanical work but which does not include the external mechanical work.