Overhead ceiling structure with an integral fixture assembly
United States Patent 3343310
US Patent References:
Acoustical assembly
- - 2306685

Ceiling lighting equipment
- - 2463046

Acoustic ceiling construction
- - 2667667

Light troffer with heat transfer means
- - 2710336

Luminaire
- - 2831962


Inventors:
Norman, Netz
Bauman, Emanuel D.
Eugene, Baranowski
Seymour, Freedman
Publication Date:
09/26/1967
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Assignee:
INTEGRATED SYSTEMS INC
Primary Class:
52/28
Other Classes:
52/506.070, 52/302.300, 454/299, 52/781, 454/185, 362/150
International Classes:
E04B9/00; E04B9/32; F21V21/04; F21V21/02
US Patent References:
2845854Combination light fixture and ventilating apparatus
2926237Ceiling lighting system
3015375Locking connection for supporting grid systems
3239035Exposed ceiling grid system