US PATENT SUBCLASS 209 / 499
.~.~.~ Regulating

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

422  DF  STRATIFIERS {6}
484  DF  .~ Elements {9}
497  DF  .~.~ Feeding {2}
499.~.~.~ Regulating

DEFINITION

Classification: 209/499

(under subclass 497) Devices for controlling rate or quantity of material supply which are elements of stratifier combinations or specially adapted for use with stratifiers.