US PATENT SUBCLASS 137 / 798
WITH COUPLING

Current as of: June, 1999
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137 /   HD   FLUID HANDLING

798WITH COUPLING {1}
799  DF  .~> Flexible

DEFINITION

Classification: 137/798

(under the class definition) Subject matter wherein the device includes a connecting means to join two or more flow lines in fluid conducting relation.

SEE OR SEARCH CLASS

251, Valves and Valve Actuation,

148, for couplings combined with valves and see the search notes to subclass 148.

285, Pipe Joints or Couplings, for pipe couplings, per se.