US PATENT SUBCLASS 126 / 101
.~ Combined with boiler

Current as of: June, 1999
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126 /   HD   STOVES AND FURNACES

99 R  DF  HOT-AIR FURNACES {24}
101.~ Combined with boiler

DEFINITION

Classification: 126/101

(under subclass 99) Hot air furnaces combined with steam, or water heaters, generally known in the art as "hot-air furnaces, steam".