US PATENT SUBCLASS 210 / 245
.~ Attached variable flow controller

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

244  DF  PORTABLE RECEPTACLE WITH HOOD OR CLOSURE {2}
245.~ Attached variable flow controller

DEFINITION

Classification: 210/245

(under subclass 244) Apparatus in which there is a controlling means mounted on or supported by the closure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

418+, for a filter and flow controller, per se.