US PATENT SUBCLASS 209 / 66
.~.~.~.~.~ Fluid

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

45  DF  ADHESION {2}
49  DF  .~ Coated surface or mass {1}
50  DF  .~.~ Mercurial {3}
58  DF  .~.~.~ Receivers {3}
65  DF  .~.~.~.~ With agitating or conveying {5}
66.~.~.~.~.~ Fluid

DEFINITION

Classification: 209/66

(under subclass 65) Receivers having contacting surfaces lined with mercury in which fluid, usually air or water is employed to agitate the material treated to promote contact with the mercury.