US PATENT SUBCLASS 251 / 151
.~.~ Non-rotatable conduit coupling

Current as of: June, 1999
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251 /   HD   VALVES AND VALVE ACTUATION

142  DF  WITH CORRELATED FLOW PATH {9}
148  DF  .~ Pipe coupling or union {3}
151.~.~ Non-rotatable conduit coupling

DEFINITION

Classification: 251/151

(under subclass 148) Subject matter wherein the pipe coupling may be assembled with the conduits without rotation of said conduits.

SEE OR SEARCH CLASS

285, Pipe Joints or Couplings, appropriate subclasses, especially

304, for a friction detent coupling, and subclasses 305+ for a coupling having holding means comprising an essential catch, for pipe joints and couplings, per se.