US PATENT SUBCLASS 209 / 42
.~ Mercurial adhesion or suspension and sifting

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

12.1  DF  PLURAL, DIVERSE SEPARATING OPERATIONS {17}
42.~ Mercurial adhesion or suspension and sifting

DEFINITION

Classification: 209/42

(under subclass 12.1) Apparatus and methods employing both sifting and either adhesion to a surface coated with mercury or suspension by a body of liquid mercury or equivalent.

SEE OR SEARCH THIS CLASS, SUBCLASS:

14, for a combination including mercurial adhesion, sifting, and stratifying.

15, 16, 41, and 43, for other combinations including either mercurial adhesion or mercurial suspension.