US PATENT SUBCLASS 285 / 363
.~ Flanged pipe

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

335  DF  PACKED {20}
363.~ Flanged pipe {1}
364  DF  .~.~> Clamped {2}

DEFINITION

Classification: 285/363

(under subclass 335) Devices wherein at least the free end of one of the members has a transverse shoulder, flange, or flange portion utilized in making the joint.

SEE OR SEARCH THIS CLASS, SUBCLASS:

405+, for a flanged joint, per se. See the Search Notes thereunder.