US PATENT SUBCLASS 250 / 372
.~ Ultraviolet light responsive means

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

336.1  DF  INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING {16}
372.~ Ultraviolet light responsive means {1}
373  DF  .~.~> With means to transmission-test contained fluent material

DEFINITION

Classification: 250/372

(under subclass 336.1) Subject matter wherein the radiation responsive means responds to ultraviolet light.