US PATENT SUBCLASS 34 / 274
.~.~.~ Having gas or vapor treatment

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}
273  DF  .~.~ Sheets, webs, or strands {1}
274.~.~.~ Having gas or vapor treatment

DEFINITION

Classification: 34/274

Having gas or vapor treatment:

(under subclass 273) Subject matter wherein the gas or vapor is handled in some manner.