US PATENT SUBCLASS 210 / 317
.~.~.~ Including non-self-supporting medium

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

294  DF  DIVERSE DISTINCT SEPARATORS {3}
295  DF  .~ Including a filter {5}
314  DF  .~.~ Spaced filters {4}
317.~.~.~ Including non-self-supporting medium

DEFINITION

Classification: 210/317

(under subclass 314) Apparatus in which one or more of the filters include loose or flaccid nonparticulate material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

263+, for particulate material type separators, particularly subclass 266 for particulate and spaced nonparticulate separators.

484, for filter medium within a foraminous container or sheath.

496, for shaped bound, fused or matted filter mediums.

500+, for filter materials.