US PATENT SUBCLASS 362 / 179
.~.~ Mantle type

Current as of: June, 1999
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362 /   HD   ILLUMINATION

157  DF  SELF POWERED LAMP {16}
159  DF  .~ Nonelectric {9}
179.~.~ Mantle type

DEFINITION

Classification: 362/179

(under subclass 159) Subject matter having a lace-like hood or envelope of thin, porous refractory material which, when

positioned in a flame, incandesces.

SEE OR SEARCH CLASS

431, Combustion,

100+, for an incandescent mantle.