US PATENT SUBCLASS 210 / 219
.~.~ With mechanical agitator

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

198.1  DF  WITH MEANS TO ADD TREATING MATERIAL {5}
209  DF  .~ Directly applied to separator {5}
219.~.~ With mechanical agitator

DEFINITION

Classification: 210/219

(under subclass 209) Apparatus in which there is a mechanical agitator.

SEE OR SEARCH THIS CLASS, SUBCLASS:

402+, for a drum having an agitator fixed thereto.

407+, for fixed filters with liquid agitating means.