US PATENT SUBCLASS 340 / 815.55
.~ Transparent or translucent indicator with means for blocking light

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

815.4  DF  VISUAL INDICATION {18}
815.55.~ Transparent or translucent indicator with means for blocking light {2}
815.56  DF  .~.~> Color
815.57  DF  .~.~> Having optical device

DEFINITION

Classification: 340/815.55

Transparent or translucent indicator with means for blocking light:

(under subclass 815.4) Subject matter wherein the perceptible indication is formed by a light source, a transparent or a translucent panel, and a screen or mask to permit selected parts of the light to pass therethrough.

SEE OR SEARCH CLASS

40, Card, Picture, or Sign Exhibiting,

541+, for illuminated sign.

359, Optics: Systems (Including Communication) and Elements,

608, for translucent or semi-transmitting panel positioned in front of an adjustable anti-glare mirror.