US PATENT SUBCLASS 285 / 121.1
.~ Allowing relative motion of pipes

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

120.1  DF  HAVING PLURAL INDEPENDENT PATHS {4}
121.1.~ Allowing relative motion of pipes {3}
121.2  DF  .~.~> Revolvable and telescoping
121.3  DF  .~.~> Revolvable {2}
121.6  DF  .~.~> Swiveling {1}

DEFINITION

Classification: 285/121.1

Allowing relative motion of pipes:

(under subclass 120.1) Subject matter wherein the coupling accommodates positional adjustment of one or more pipes to compensate for connection, disconnection, linear expansion, etc.