US PATENT SUBCLASS 110 / 231
.~.~.~ Undergrate

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

Internet Version by PATENTEC © 1999      Terms of Use


110 /   HD   FURNACES

218  DF  WITH FUEL TREATMENT MEANS {3}
229  DF  .~ Means for liberating gas from solid fuel {1}
230  DF  .~.~ Coking means {1}
231.~.~.~ Undergrate

DEFINITION

Classification: 110/231

Undergrate:

(under subclass 230) Apparatus provided with means to pass the separated fluid under the fuel supporting means and through a combustion reaction.