Emergency lighting unit/exit sign combination

Details Emergency lighting unit/exit sign combination Emergency lighting unit/exit sign combination

2005-02-01

2005-02-01

Husar, Stephen F. (Department: 2875)

Illumination

Automatic substitution of power supply or light source

C362S259000, C362S362000, C362S370000, C362S812000, C040S570000

Reexamination Certificate

active

06848798

ABSTRACT:
An emergency lighting fixture combining the functions of an illuminated sign such as an exit sign and an emergency lighting unit integrated into one housing onto which one or more emergency lights can be mounted at predetermined locations of the housing, the combined emergency lighting structure providing both exit location information and ambient emergency lighting in a single cooperatively operating device.

REFERENCES:
patent: 1469946 (1923-10-01), Morrison
patent: 5768814 (1998-06-01), Kozek et al.
patent: 5797673 (1998-08-01), Logan et al.
patent: 6142648 (2000-11-01), Logan et al.
patent: 6499866 (2002-12-01), Logan et al.

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