US PATENT SUBCLASS 210 / 180
.~ Vapor or gas removal

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

175  DF  WITH HEATER OR HEAT EXCHANGER {8}
180.~ Vapor or gas removal

DEFINITION

Classification: 210/180

(under subclass 175) Apparatus provided with means to remove vapor or gas.

SEE OR SEARCH THIS CLASS, SUBCLASS:

472, for a vented filter.