US PATENT SUBCLASS 110 / 345
.~.~.~ Exhaust gas; e.g., pollution control, etc.

Current as of: June, 1999
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110 /   HD   FURNACES

341  DF  PROCESS {4}
342  DF  .~ Treating fuel constituent or combustion product {2}
344  DF  .~.~ Combustion product {1}
345.~.~.~ Exhaust gas; e.g., pollution control, etc.

DEFINITION

Classification: 110/345

(under subclass 344) Exhaust gas; e.g., pollution control, etc.: Process wherein the materials to be treated are the gaseous fumes normally expended to the atmosphere.

SEE OR SEARCH THIS CLASS, SUBCLASS:

203+, for furnace structure provided with exhaust gas treatment means.