US PATENT SUBCLASS 312 / 31.04
.~.~.~ Of porous mass only

Current as of: June, 1999
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312 /   HD   SUPPORTS: CABINET STRUCTURE

31  DF  WITH GAS OR VAPOR TREATMENT OF MATERIAL {3}
31.01  DF  .~ By wetted surface exposed to material chamber and continuously contacted by unconfined gas {2}
31.03  DF  .~.~ Moistened chamber wall {2}
31.04.~.~.~ Of porous mass only

DEFINITION

Classification: 312/31.04

(under subclass 31.03) Devices having ceramic or similar porous mass walls as the sole liquid wetted means.

SEE OR SEARCH CLASS

261, Gas and Liquid Contact Apparatus,

94+, for gas and liquid contact devices which include a porous mass.