US PATENT SUBCLASS 34 / 491
.~.~.~ Temperature or moisture content of treated material or chamber controls or directs gas or vapor

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

282  DF  PROCESS {24}
443  DF  .~ Gas or vapor contact with treated material {17}
487  DF  .~.~ Gas or vapor flow directing or control {3}
491.~.~.~ Temperature or moisture content of treated material or chamber controls or directs gas or vapor

DEFINITION

Classification: 34/491

Temperature or moisture content of treated material or chamber controls or directs gas or vapor:

(under subclass 487) Process wherein the temperature or humidity of the treated material affects the point of application of the treating gas or vapor.