US PATENT SUBCLASS 431 / 243
.~ Flame enclosure comprises, or conducts heat to heated section

Current as of: June, 1999
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431 /   HD   COMBUSTION

207  DF  HEATED LINE SECTION FEEDS FLAME HOLDER {19}
243.~ Flame enclosure comprises, or conducts heat to heated section

DEFINITION

Classification: 431/243

(under subclass 207) Apparatus in which the heat absorbing section of the feed line is shaped to form, is within, or is heat conductively arranged along, wall structure of an enclosure that directs or confines the flame.