US PATENT SUBCLASS 285 / 369
.~ Sleeve

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

335  DF  PACKED {20}
369.~ Sleeve {2}
370  DF  .~.~> Internal {1}
372  DF  .~.~> Dependent {1}

DEFINITION

Classification: 285/369

(under subclass 335) 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:

53, for an insulated sleeve joint.

66, for an intermediate sleeve in a duplicate end coupling.

294.1+, for a molded joint including a sleeve.

383, for distinct spaced serial joints.

407+, for a flanged joint with a band type clamp. See the Search Notes thereunder. 417+, for a sleeve joint, per se.