US PATENT SUBCLASS 210 / 234
.~ Removable treatment part with normally disabled flow controller

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

232  DF  WITH REPAIR OR ASSEMBLING MEANS {5}
234.~ Removable treatment part with normally disabled flow controller

DEFINITION

Classification: 210/234

(under subclass 232) Apparatus comprising a treatment part arranged to be removable and a valve in flow relationship thereto biased to close but being maintained open in normal use of the part.

SEE OR SEARCH THIS CLASS, SUBCLASS:

235, for a device in which placement of a container opens a flow controller.