US PATENT SUBCLASS 431 / 310
.~ Having air or flame director, air distributor, or windguard

Current as of: June, 1999
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431 /   HD   COMBUSTION

298  DF  FIBROUS WICK TYPE FLAME HOLDER {9}
310.~ Having air or flame director, air distributor, or windguard {4}
311  DF  .~.~> Transparent director surrounding wick support or guide
312  DF  .~.~> Director passageways, each surrounding wick or flame zone
313  DF  .~.~> Director passageways leading to flame zone
314  DF  .~.~> Air annulus leads to flame zone

DEFINITION

Classification: 431/310

(under subclass 298) Apparatus including a directing device at the upper end of the wick shielding the flame or establishing the size, shape or character of the flame by controlling the flow of air relative to the wick.