US PATENT SUBCLASS 422 / 121
.~ With means exposing gas to electromagnetic wave energy or corpuscular radiation

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}
121.~ With means exposing gas to electromagnetic wave energy or corpuscular radiation

DEFINITION

Classification: 422/121

With means exposing gas to electromagnetic wave energy or corpuscular radiation:

(under subclass 120) Apparatus having means for exposing the gas to electromagnetic wave energy (other than ordinary visible light) or corpuscular radiation; e.g., radioactive particles, etc.