US PATENT SUBCLASS 250 / 339.04
.~.~.~ Including temperature determining 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}
339.01  DF  .~.~ With selection of plural discrete wavelengths or bands {6}
339.04.~.~.~ Including temperature determining means

DEFINITION

Classification: 250/339.04

Including temperature determining means:

(under subclass 339.01) Subject matter containing means to measure the temperature of a sample under analysis.