US PATENT SUBCLASS 250 / 352
.~.~ With temperature modifying means

Current as of: June, 1999
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250 /   HD   RADIANT ENERGY

336.1  DF  INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING {16}
338.1  DF  .~ Infrared responsive {12}
352.~.~ With temperature modifying means

DEFINITION

Classification: 250/352

(under subclass 338.1) Subject matter having means to conduct heat to or from at least some part of the infrared responsive electric signalling means.