US PATENT SUBCLASS 40 / 543
.~.~ Ultraviolet source

Current as of: June, 1999
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40 /   HD   CARD, PICTURE, OR SIGN EXHIBITING

541  DF  ILLUMINATED SIGN {13}
542  DF  .~ Luminescent {2}
543.~.~ Ultraviolet source

DEFINITION

Classification: 40/543

Ultraviolet source:

(under subclass 542) Sign in which the light source is ultraviolet.