US PATENT SUBCLASS 210 / 297
.~.~ Moving filter medium

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

294  DF  DIVERSE DISTINCT SEPARATORS {3}
295  DF  .~ Including a filter {5}
297.~.~ Moving filter medium

DEFINITION

Classification: 210/297

(under subclass 295) Apparatus in which there is means to give the filter medium motion during the filtering operation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

359+, for movable medium filters, per se.