US PATENT SUBCLASS 277 / 945
.~.~ Containing fluorine

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

935  DF  SEAL MADE OF A PARTICULAR MATERIAL {4}
944  DF  .~ Elastomer or plastic {1}
945.~.~ Containing fluorine {1}
946  DF  .~.~.~> PTFE "TEFLON"

DEFINITION

Classification: 277/945

Containing fluorine:

(under subclass 944) Consisting of elastomer or plastic wherein the elastomer or plastic includes fluoride.

SEE OR SEARCH THIS CLASS, SUBCLASS:

570, for a dynamic circumferential contacting peripheral radially sealing flexible projection made of fluorocarbon for other than a piston.