(under subclass 23) Method which produces or manufactures a device which is intended to exhibit a visual readout or message.
(1) Note. Many display panels are filled with gaseous media, however a display panel can be another Class 445 type device such as a liquid crystal display device.
(2) Note. Merely indicating a single binary message, e.g., on/off, go/no go, is not considered to warrant placement in this subclass.
SEE OR SEARCH CLASS
29, Metal Working,
592.1+, for processes of manufacturing miscellaneous electrical devices, which employ electrically activated light valve means to block or change the path of pre-existing light.
313, Electric Lamp and Discharge Devices, 513+, for electric lamp and discharge devices with character display.
359, Optics: Systems (Including Communication) and Elements,
26+, and 245+ for display devices, per se, employing electrically activated light valve structure.
