US PATENT SUBCLASS 126 / 112
.~ Feeding air


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



126 /   HD   STOVES AND FURNACES

99 R  DF  HOT-AIR FURNACES {24}
112.~ Feeding air


DEFINITION

Classification: 126/112

(under subclass 99) Hot air furnaces having devices formed and arranged for heating and introducing air into the combustion-chamber.

SEE OR SEARCH THIS CLASS, SUBCLASS:

15, 77, 78, 146, and 193, for related subject matter.

SEE OR SEARCH CLASS

110, Furnaces,

201, for a locomotive type furnace provided with an air preheater; subclass 254 for an incinerator provided with an air preheater; and subclasses 302+ for other types of solid fuel furnaces provided with air preheaters.