US PATENT SUBCLASS 285 / 144.1
SERIAL,RELATIVELY MOVABLE PORTIONS

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

144.1SERIAL,RELATIVELY MOVABLE PORTIONS {4}
145.1  DF  .~> Having telescoping portion {3}
146.1  DF  .~> Linked ball and socket portions {2}
147.1  DF  .~> Plural swivels {2}
148.1  DF  .~> Serial diverse single flow path or line {10}

DEFINITION

Classification: 285/144.1

SERIAL, RELATIVELY MOVABLE PORTIONS:

(under the class definition) Subject matter comprising a joint having components which are movable with respect to each other (e.g., a universal swivel allowing both pivotal and rotational motion about intersecting axes, etc.).

SEE OR SEARCH THIS CLASS, SUBCLASS:

121.2, 121.3+ and 121.6+, for couplings with plural noncommunicating paths permitting relative motion between the coupled elements.

181, for serially connected adjustable elbows.

184, for adjustable angle joints.

223+, for a flexible joint, per se.

261+, for a ball and socket joint, per se.

272+, for a swivel joint, per se. 302+, for a telescopic joint, per se.