US PATENT SUBCLASS 126 / 271.3
.~.~ Solid fuel

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

*  DD  HEATERS {7}
271.1  DF  .~ Surface {2}
271.3.~.~ Solid fuel

DEFINITION

Classification: 126/271.3

(under subclass 271.1) Devices for applying the products of combustion of solid fuel or the radiant heat thereof, of hot air, or steam in combination with products of combustion or hot air.