US PATENT SUBCLASS 431 / 251
.~ Enclosure movably mounted for access

Current as of: June, 1999
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431 /   HD   COMBUSTION

249  DF  WITH FEATURE FOR ACCESS TO OR EXPOSURE OF FLAME HOLDER {2}
251.~ Enclosure movably mounted for access

DEFINITION

Classification: 431/251

(under subclass 249) Apparatus including means wherein the combustion zone enclosing means can be moved relative to the

remainder of the apparatus to give access to the enclosed zone.

SEE OR SEARCH THIS CLASS, SUBCLASS:

197, for a combustion annulus having air feeding perforations movably mounted for access to an underlying fuel distributor.

SEE OR SEARCH CLASS

362, Illumination,

174+, for a tubular lantern with a globe operator.