US PATENT SUBCLASS 40 / 581
.~ Colored light

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

541  DF  ILLUMINATED SIGN {13}
581.~ Colored light

DEFINITION

Classification: 40/581

Colored light:

(under subclass 541) Sign in which the source of illumination is one or more colored lights.

SEE OR SEARCH THIS CLASS, SUBCLASS:

431+, for rotating color wheels.