US PATENT SUBCLASS 55 / 479
.~ For discrete filter particles

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

478  DF  WITH SEPARATE FLOW LINE ACCESS MEANS OR FILTER MEDIA PASSAGE MEANS OFFSET TO FLOW PATH {3}
479.~ For discrete filter particles

DEFINITION

Classification: 55/479

(under subclass 478) Apparatus for filter material of the particulate type.

(1) Note. Discrete filter particles form a flowable mass, the particles of which are not positively connected one to the other, as opposed to entangled material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

474, for particulate solids having movement during use.

512+, for means securing or retaining discrete massed or particulate materials, and see (1) Note above.