Lighted alphanumeric or character indicator matrix:
(under subclass 815.4) Subject matter comprising means for illuminating or emitting light to form alphanumeric or character indicative elements arranged in rows and/or columns.
(1) Note. Means for illuminating includes, for example, an ambient and/or an artificial light source.
SEE OR SEARCH CLASS
40, Card, Picture, or Sign Exhibiting,
447+, for alphanumeric devices and subclasses 541+ for illuminated sign.
313, Electric Lamp and Discharge Devices,
510, for luminescent solid or liquid material with character display (e.g., digits or letter).
345, Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems, 25+, for cathode-ray tube with alphanumeric display and subclasses 141+ for character display in a generic selective display system.
