US PATENT SUBCLASS 210 / 396
.~.~.~ Solid cleaner, e.g., scraper

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

348  DF  FILTER {25}
359  DF  .~ Movable medium {12}
391  DF  .~.~ With cleaning means {5}
396.~.~.~ Solid cleaner, e.g., scraper {1}
397  DF  .~.~.~.~> With plural outlets from filter casing

DEFINITION

Classification: 210/396

(under subclass 391) Apparatus comprising a scraper, wiper, abrader, cutter, brush or similar solid member.

SEE OR SEARCH THIS CLASS, SUBCLASS:

372, for a centrifugal extractor with a residue engaging means.

393, for a scraper, cutter or brush combined with backwash or blowback.

SEE OR SEARCH CLASS

15, Brushing, Scrubbing, and General Cleaning,

256.5, for moving surface scrapers of general application.