US PATENT SUBCLASS 210 / 399
.~.~.~ Movable casing

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

348  DF  FILTER {25}
359  DF  .~ Movable medium {12}
398  DF  .~.~ Within sealed enclosure {1}
399.~.~.~ Movable casing

DEFINITION

Classification: 210/399

(under subclass 398) Apparatus in which the closed casing is mounted for motion.

SEE OR SEARCH THIS CLASS, SUBCLASS:

390, for a filter medium or casing attached to a movable valve element.

SEE OR SEARCH CLASS

422, Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing,

258+, and 269+ for rotary extractor or leacher.