US PATENT SUBCLASS 411 / 542
.~ Sealing


Current as of: June, 1999
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411 /   HD   EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER

531  DF  WASHER STRUCTURE {11}
542.~ Sealing


DEFINITION

Classification: 411/542

Sealing:

(under subclass 531) Subject matter wherein the element serves to prevent the ingress of fluids between a fastener with which it is used and an adjacent part.

SEE OR SEARCH CLASS

277, Seal for a Joint or Juncture, for a generic sealing means or process,

640, for a static contact seal for other than an internal combustion engine, or a pipe, conduit, or cable including an anchoring means extending through the seal.

292, Closure Fasteners,

307, for closure seal structure.