US PATENT SUBCLASS 209 / 244
.~.~ Hoppers

Current as of: June, 1999
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209 /   HD   CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS

233  DF  SIFTING {16}
243  DF  .~ Feeding {5}
244.~.~ Hoppers {2}
245  DF  .~.~.~> With agitators or conveyors
246  DF  .~.~.~> Cut-offs and valves

DEFINITION

Classification: 209/244

(under subclass 243) Means and methods in which the material is fed from hoppers to the sifting devices.

SEE OR SEARCH CLASS

193, Conveyors, Chutes, Skids, Guides, and Ways, for conveyors, chutes etc., per se.

222, Dispensing, for hopper feeders, per se.