US PATENT SUBCLASS 431 / 312
.~.~ Director passageways, each surrounding wick or flame zone

Current as of: June, 1999
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431 /   HD   COMBUSTION

298  DF  FIBROUS WICK TYPE FLAME HOLDER {9}
310  DF  .~ Having air or flame director, air distributor, or windguard {4}
312.~.~ Director passageways, each surrounding wick or flame zone

DEFINITION

Classification: 431/312

(under subclass 310) Apparatus including means forming a plurality of passages each surrounding the wick or flame zone of the wick and each directing a distinct stream of air at all sides of the flame zone.