US PATENT SUBCLASS 210 / 270
.~.~ Movable means for particle pickup and redeposit


Current as of: June, 1999
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210 /   HD   LIQUID PURIFICATION OR SEPARATION

263  DF  PARTICULATE MATERIAL TYPE SEPARATOR, E.G., ION EXCHANGE OR SAND BED {13}
269  DF  .~ With rehabilitation means {6}
270.~.~ Movable means for particle pickup and redeposit


DEFINITION

Classification: 210/270

(under subclass 269) Apparatus having moving means to pick up particles from the bed and redeposit them on the bed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

189, for apparatus wherein the particles are moved between plural containers or plural compartments in the same container.

268, for a particle type separator with gravity flow of the particles from the bottom of the bed.

SEE OR SEARCH CLASS

299, Mining or In Situ Disintegration of Hard Material,

7+, for mining combined with separating.