US PATENT SUBCLASS 55 / 329
.~.~.~ Filamentary brush type or fibrous mass

Current as of: June, 1999
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55 /   HD   GAS SEPARATION

315  DF  PLURAL SERIAL BASICALLY DIVERSE SEPARATING MEDIA {3}
318  DF  .~ Plural stages in unitary casing {2}
320  DF  .~.~ Deflector and fibrous, filamentary, particulate solids, or cohesive sheet filter type {6}
329.~.~.~ Filamentary brush type or fibrous mass {1}
330  DF  .~.~.~.~> Tubular or annular for radial gas flow

DEFINITION

Classification: 55/329

(under subclass 320) Apparatus in which the means other than the impingement or flow redirecting means comprises a mass of entangled strands or numerous unentangled discrete strands.

SEE OR SEARCH THIS CLASS, SUBCLASS:

477, for brush type filters.

512+, and 527+, for entangled fibrous or strand mass type filters.