US PATENT SUBCLASS 241 / 79.1
.~.~.~ By adhesion, electric field force, specific gravity, or chemical change

Current as of: June, 1999
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241 /   HD   SOLID MATERIAL COMMINUTION OR DISINTEGRATION

*  DD  APPARATUS {41}
68  DF  .~ With separation or classification of material {7}
79  DF  .~.~ Separator in discharge from comminuting zone {3}
79.1.~.~.~ By adhesion, electric field force, specific gravity, or chemical change

DEFINITION

Classification: 241/79.1

(under subclass 79) Device provided with means to separate materials by electrostatic or magnetic attraction, differences in material densities, adherence to a surface, or by combination of material at the molecular level.