US PATENT SUBCLASS 210 / 330
.~.~.~ Connected for group operation

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

322  DF  PLURAL DISTINCT SEPARATORS {1}
323.1  DF  .~ Filters {10}
324  DF  .~.~ Movable separating elements {6}
330.~.~.~ Connected for group operation {1}
331  DF  .~.~.~.~> Spaced filter wall type, e.g., multiple hollow leaves

DEFINITION

Classification: 210/330

(under subclass 324) Apparatus having means connecting them so that they move together as a connected group.

SEE OR SEARCH THIS CLASS, SUBCLASS:

359+, for moving filter medium types in which the medium is continuous or comprises abutting filtering sections forming in effect a continuous medium except for separating strips or partitions.