US PATENT SUBCLASS 210 / 372
.~.~.~.~ By residue engaging means

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

348  DF  FILTER {25}
359  DF  .~ Movable medium {12}
360.1  DF  .~.~ Centrifugal extractor {12}
369  DF  .~.~.~ Discharging residue {3}
372.~.~.~.~ By residue engaging means {3}
373  DF  .~.~.~.~.~> Fixed
374  DF  .~.~.~.~.~> Rotatable {1}
376  DF  .~.~.~.~.~> Axially reciprocable

DEFINITION

Classification: 210/372

(under subclass 369) Apparatus in which discharge of the residue is effected or controlled by means engaging it, e.g., doctor blades.

SEE OR SEARCH CLASS

15, Brushing, Scrubbing, and General Cleaning,

256.5, for a moving surface scraper, wiper or brush of general application.