US PATENT SUBCLASS 210 / 357
.~ Relatively movable members interleaved for cleaning

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

348  DF  FILTER {25}
357.~ Relatively movable members interleaved for cleaning

DEFINITION

Classification: 210/357

(under subclass 348) Apparatus in which a cleaning member is extendable between filter mediums or through openings in the filter medium.

SEE OR SEARCH THIS CLASS, SUBCLASS:

334, for distinct filters alternating with residue removers.

396+, for a movable filter and an adjacent cleaner.