Card – picture – or sign exhibiting – Illuminated sign – Lamp box
Patent
1998-02-12
2000-05-09
Silbermann, Joanne
Card, picture, or sign exhibiting
Illuminated sign
Lamp box
40544, 52 28, G09F 1304
Patent
active
060586354
ABSTRACT:
A door frame construction 10 including a hollow generally inverted U-shaped door frame member 20 having a pair of side channels 21, 22, and an overhead channel 23 provided with a plurality of illuminated exit sign units 12 and an emergency light unit 13. The exit sign units 12 and the emergency light unit 13 are electrically connected to one another by electrical wiring 101 disposed within the hollow door frame member 20 to provide integrated exit signage into the door frame member 20.
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