US PATENT SUBCLASS 209 / 456
.~.~.~.~.~ Divergent or opposite travel

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

422  DF  STRATIFIERS {6}
*  DD  .~ With liquid treatment {3}
*  DD  .~.~ Stationary bed {3}
*  DD  .~.~.~ Permeable {2}
455  DF  .~.~.~.~ Pulsating current {2}
456.~.~.~.~.~ Divergent or opposite travel

DEFINITION

Classification: 209/456

(under subclass 455) Apparatus and having means whereby the lighter and the heaviest constituents are caused to move in divergent or opposite directions to discharge.