US PATENT SUBCLASS 110 / 260
INCLUDING FLUID FUEL BURNER

Current as of: June, 1999
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110 /   HD   FURNACES

260INCLUDING FLUID FUEL BURNER {1}
261  DF  .~> Powdered solid fuel {1}

DEFINITION

Classification: 110/260

INCLUDING FLUID FUEL BURNER:

(under the class definition) Apparatus provided with means

for burning solid fuel and liquid or gaseous fuel.

SEE OR SEARCH CLASS

122, Liquid Heaters and Vaporizers,

22, for a combined boiler with a solid and fluid fuel furnace, and subclass 211 for a sectional boiler combined with a solid and fluid fuel furnace.

126, Stoves and Furnaces,

36, for a culinary heating stove, and subclass 116 for a combined coal and liquid or gaseous fueled hot air furnace.

266, Metallurgical Apparatus, 74+, for fluid fuel outing apparatus provided with means for feeding solid material for enhancing the cutting operation.

431, Combustion,

159+, for a fluid fuel burner provided in a combustion furnace.