US PATENT SUBCLASS 285 / 417
SLEEVE

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

417SLEEVE {1}
418  DF  .~> Dependent {1}

DEFINITION

Classification: 285/417

(under the class definition) Subject matter comprising a short tubular section extending between and each end thereof providing an overlapping portion with engaging pipe ends.

SEE OR SEARCH THIS CLASS, SUBCLASS:

369+, for a packed sleeve joint. See the Search Notes thereunder.

383, for distinct spaced serial joints.