Emergency lighting fixture
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 31, 1989
Grant Date -
N/A
app pub date -
Aug 27, 1987
filing date -
Aug 27, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An emergency lighting fixture for mounting in a ceiling and particularly a suspended ceiling, which includes a drop down panel normally closing an opening in the ceiling and an electric lamp concealed behind the panel. If a.c. power should fail, the panel automatically drops down below the level of the ceiling along with the electric lamp and the lamp automatically turns on to illuminate a selected path of egress.
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Family
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Cited Art Landscape
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