US PATENT SUBCLASS 100 / 91
.~.~ Plural solids

Current as of: June, 1999
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100 /   HD   PRESSES

70 R  DF  WITH ADDITIONAL TREATMENT OF MATERIAL {6}
90  DF  .~ Separating materials (vacuumizing here) {1}
91.~.~ Plural solids

DEFINITION

Classification: 100/91

(under subclass 90) Apparatus in which the means for removing one substance from another is apparatus for the separation of one solid from another.

SEE OR SEARCH CLASS

209, Classifying, Separating, and Assorting Solids,

599, and 699, for apparatus and methods which assort articles according to their compressibility or the degree to which they yield to pressure.

422, Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing,

261+, for apparatus for dissolving a compound or the soluble part of a composition of matter.