US PATENT SUBCLASS 285 / 123.17
.~.~ Joint fabricated from material to compensate for movement

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

120.1  DF  HAVING PLURAL INDEPENDENT PATHS {4}
123.1  DF  .~ For concentric tubes or pipes (e.g., well casing or wellhead type) {4}
123.17.~.~ Joint fabricated from material to compensate for movement

DEFINITION

Classification: 285/123.17

Joint fabricated from material to compensate for movement:

(under subclass 123.1) Subject matter wherein the joint comprises a resilient material (e.g., plastic joint for containment pipes).