US PATENT SUBCLASS 406 / 152
.~.~ Including specific intake nozzle structure

Current as of: June, 1999
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406 /   HD   CONVEYORS: FLUID CURRENT

108  DF  INTAKE TO FLUID CURRENT CONVEYOR {7}
151  DF  .~ Upstream of suction source {2}
152.~.~ Including specific intake nozzle structure

DEFINITION

Classification: 406/152

Including specific intake nozzle structure:

(under subclass 151) Subject matter wherein significance is attributed to a particular feature (e.g., shape) of the inlet*.

(1) Note. A constant cross-sectional conduit at the inlet* is excluded from this subclass.

SEE OR SEARCH CLASS

15, Brushing, Scrubbing, and General Cleaning,

415.1+, for vacuum cleaner nozzles.

37, Excavating,

317+, for suction dredgers.