US PATENT SUBCLASS 266 / 279
.~ Grate

Current as of: June, 1999
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266 /   HD   METALLURGICAL APPARATUS

274  DF  MEANS FOR HOLDING OR SUPPORTING WORK {2}
279.~ Grate

DEFINITION

Classification: 266/279

(under subclass 274) Device wherein the means for supporting the work is a member having a generally planar surface which surface sustains the work against the effect of gravity and which surface has openings therethrough for the passage of combustion gases, air or the like.

SEE OR SEARCH THIS CLASS, SUBCLASS:

159, for grate-support means combined with gas offtake means.

178+, for a traveling grate means combined with heating structure.

185, for grate-support means combined with heating structure.

SEE OR SEARCH CLASS

110, Furnaces, 267+, for progressive-feed grates.

122, Liquid Heaters and Vaporizers,

371+, for water-cooled grates.

126, Stoves and Furnaces,

152+, for general structure of grates.