US PATENT SUBCLASS 34 / 667
.~ Debris guard

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

523  DF  APPARATUS {40}
667.~ Debris guard

DEFINITION

Classification: 34/667

Debris guard:

(under subclass 523) Apparatus having a means to shield

against waste entering the treating chamber.