(under subclass 815.4) Subject matter in which the visually perceptible indication consists of segments of a seven-segment character.
SEE OR SEARCH CLASS
40, Card, Picture, or Sign Exhibiting,
450, for bar segment (e.g., figure eight).
313, Electric Lamp and Discharge Devices,
510, for luminescent solid or liquid material with character display (e.g., digits or letters) and subclass 581 for three or more electrode discharge devices.
315, Electric Lamp and Discharge Devices: Systems,
129+, for signal, indicator, or alarm. 345, Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems,
34, for seven-segment display in selective display systems.
