US PATENT SUBCLASS 34 / 582
.~.~ With specific gas distributor

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

523  DF  APPARATUS {40}
576  DF  .~ With fluid current conveying of treated material {12}
582.~.~ With specific gas distributor {3}
583  DF  .~.~.~> Having angled floor or wall
584  DF  .~.~.~> Having thermal expansion adjustment
585  DF  .~.~.~> Gas or vapor delivery nozzle

DEFINITION

Classification: 34/582

With specific gas distributor:

(under subclass 576) Subject matter that has a gas delivery

means having special details.