US PATENT SUBCLASS 37 / 336
.~.~.~ With coupling (e.g., connector)

Current as of: June, 1999
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37 /   HD   EXCAVATING

307  DF  BENEATH A BODY OF WATER (E.G., DREDGER) {11}
317  DF  .~ Suction {8}
335  DF  .~.~ Pipe or nozzle structure {1}
336.~.~.~ With coupling (e.g., connector)

DEFINITION

Classification: 37/336

With coupling (e.g., connector):

(under subclass 335) Apparatus including particular feature of the joint between separate sections of suction pipe or conduit or between suction pipe and nozzle.

SEE OR SEARCH CLASS

137, Fluid Handling,

615+, for subject matter including spout, nozzle, or similar fluid flow conduit having two or more sections jointed for relative angular movement in one or more planes.

138, Pipes and Tubular Conduits,

118+, for means to join various flexible pipe or conduit sections.

285, Pipe Joints or Couplings, for means to join sections of pipes or conduits.