US PATENT SUBCLASS 209 / 17
.~ Aqueous 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}
17.~ Aqueous suspension and sifting

DEFINITION

Classification: 209/17

(under subclass 12.1) Methods and apparatus which employ free suspension in water and sifting to effect separation or segregation of components of a mixture of solid materials.

SEE OR SEARCH THIS CLASS, SUBCLASS:

13, for a combination including aqueous suspension and sifting separations.

155+, for particulars of aqueous suspension separators.

233+, for particulars of sifters.