US PATENT SUBCLASS 422 / 124
.~.~ And mechanical means creating forced draft at addition site

Current as of: June, 1999
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422 /   HD   CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING

120  DF  FOR DEODORIZING OF, OR CHEMICAL PURIFICATION OF, OR GENERATION OF, LIFE-SUSTAINING ENVIRONMENTAL GAS {3}
123  DF  .~ Including means adding material into environmental gas {2}
124.~.~ And mechanical means creating forced draft at addition site

DEFINITION

Classification: 422/124

And mechanical means creating forced draft at addition site:

(under subclass 123) Apparatus having a mechanical means forcing an air current at the site wherein the material is introduced into the apparatus.