US PATENT SUBCLASS 37 / 335
.~.~ Pipe or nozzle structure

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.~.~ Pipe or nozzle structure {1}
336  DF  .~.~.~> With coupling (e.g., connector)

DEFINITION

Classification: 37/335

Pipe or nozzle structure:

(under subclass 317) Apparatus wherein the significance is attributed to a particular shape of the conduit which carries the dredged material or of the inlet. [figure] [caption]A - Suction pipe; B - Suction nozzle; C - Pipe coupling

SEE OR SEARCH CLASS

15, Brushing, Scrubbing, and General Cleaning,

300.1+, for a device constructed and arranged particularly for applying suction to a work piece.

138, Pipes and Tubular Conduits,

118+, for a flexible pipe conduit.

406, Conveyors: Fluid Current,

152, for a specific intake nozzle structure upstream of the suction source; subclasses 191+ for pipe, duct, or channel for guiding the load.