US PATENT SUBCLASS 277 / 629
.~.~ Magnetic

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

590  DF  SEAL BETWEEN FIXED PARTS OR STATIC CONTACT AGAINST RELATIVELY MOVABLE PARTS {3}
628  DF  .~ Contact seal for other than internal combustion engine, or pipe, conduit, or cable {9}
629.~.~ Magnetic

DEFINITION

Classification: 277/629

Magnetic:

(under subclass 628) Contact seal for other than wherein the seal has a polar field.

SEE OR SEARCH THIS CLASS, SUBCLASS:

378, for a relatively rotatable, radially extending, sealing face member (e.g., face, mechanical, etc.) including a magnetic axial bias therefor.

410, for a dynamic, close proximity seal that uses magnetism to affect fluid flow.

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

SEE OR SEARCH CLASS

49, Movable or Removable Closures, for more than nominal movable or removable closure structure (e.g., door jam, etc.),

478.1, for a seal acting at a juncture of the closure and an adjacent member having a magnetic feature. 252, Compositions,

62.51+, for a composition useful for a magnetic purpose or a process for making the composition, not provided for elsewhere.

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

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