US PATENT SUBCLASS 99 / 570
.~.~.~.~.~ By fluid

Current as of: June, 1999
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99 /   HD   FOODS AND BEVERAGES: APPARATUS

485  DF  MEANS TO TREAT FOOD {8}
537  DF  .~ Subdividing into plural products {2}
567  DF  .~.~ Separating one external portion from the remaining food {3}
568  DF  .~.~.~ Removing shell {8}
569  DF  .~.~.~.~ With sorting {1}
570.~.~.~.~.~ By fluid

DEFINITION

Classification: 99/570

(under subclass 569) Device wherein the means to sort the food, or foreign matter from the food, includes means to contact part of the food with a gas or liquid.

(1) Note. An exemplary device of this subclass is one in which the food is placed in a body of liquid, one food portion floats and another food portion sinks to the bottom; and, the floating and nonfloating food portions are then separately removed from the liquid bath.

SEE OR SEARCH CLASS

209, Classifying, Separating, and Assorting Solids, appropriate subclass.

210, Liquid Purification or Separation, appropriate subclass.

241, Solid Material Comminution or Disintegration

38+, and 68+ for gas application and separating, respectively, in a comminutor.