US PATENT SUBCLASS 40 / 442
.~ Selective or intermittent illumination

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

427  DF  DISPLAY WITH SPECIAL EFFECTS {5}
442.~ Selective or intermittent illumination {2}
443  DF  .~.~> Alternate front and rear illumination
444  DF  .~.~> Colored lights

DEFINITION

Classification: 40/442

Selective or intermittent illumination:

(under subclass 427) Display device wherein the effect is created by illuminating selective portions of the display initially and at least some other portions of the display subsequently. The illumination may be flashing or progressive.

SEE OR SEARCH THIS CLASS, SUBCLASS:

463, for similar lighting control.

SEE OR SEARCH CLASS

340, Communications: Electrical, for details of circuit control.

362, Illumination,

35, for revolving illumination device, per se.