US PATENT SUBCLASS 285 / 341
.~.~ Double wedge surfaces

Current as of: June, 1999
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285 /   HD   PIPE JOINTS OR COUPLINGS

335  DF  PACKED {20}
339  DF  .~ Wedge {4}
341.~.~ Double wedge surfaces

DEFINITION

Classification: 285/341

(under subclass 339) Subject matter including two or more pairs of coacting wedge surfaces so disposed that the planes thereof will intersect upon extension thereof, whereby mating engagement is obtained when one wedge surface is pushed toward the other.

SEE OR SEARCH THIS CLASS, SUBCLASS:

342, for a single set of wedge surfaces which mate when pushed together.