US PATENT SUBCLASS 209 / 493
.~.~.~ Dividers and skimmers

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

422  DF  STRATIFIERS {6}
484  DF  .~ Elements {9}
490  DF  .~.~ Discharging {4}
493.~.~.~ Dividers and skimmers

DEFINITION

Classification: 209/493

(under subclass 490) Devices for dividing two or more strata for separate discharge from a stratifier or for removing a surface stratum or layer from a mass of stratified material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

423, 427, 443, 454, 457, 458, 466, 468, 471, 474, and 475, for stratifiers in which the strata travel together in the same direction and employ dividing devices to secure separate discharge of the strata.