US PATENT SUBCLASS 34 / 267
.~.~ Having treating gas or vapor circulation

Current as of: June, 1999
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34 /   HD   DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS

245  DF  MATERIAL TREATED BY ELECTROMAGNETIC ENERGY {8}
266  DF  .~ Infrared energy {4}
267.~.~ Having treating gas or vapor circulation

DEFINITION

Classification: 34/267

Having treating gas or vapor circulation:

(under subclass 266) Subject matter wherein gas or vapor is distributed in the same treating area as that treated by the infrared radiation.