US PATENT SUBCLASS 34 / 463
.~.~.~.~ Directing of 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}
444  DF  .~.~ Sheet, web, or strand {7}
459  DF  .~.~.~ Running length of treated material {3}
463.~.~.~.~ Directing of gas or vapor {2}
464  DF  .~.~.~.~.~> Gas or vapor directed to opposed surfaces of material
465  DF  .~.~.~.~.~> Gas or vapor directed to single surface of material

DEFINITION

Classification: 34/463

Directing of gas or vapor:

(under subclass 459) Process wherein the location of application of the treating gas or vapor is controlled.