US PATENT SUBCLASS 209 / 472
.~.~.~.~ 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 pneumatic treatment {3}
*  DD  .~.~ Movable bed {4}
471  DF  .~.~.~ Chutes, tables, and receptacles {1}
472.~.~.~.~ Divergent or opposite travel

DEFINITION

Classification: 209/472

(under subclass 471) Apparatus in which the heaviest and the lighter constituents move in diverging or opposite directions.