Title:
Ventilating ceiling and resilient foam sealing means therefor
United States Patent 3325954
Inventors:
Olson, Kern C.
Publication Date:
06/20/1967
Export Citation:
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Assignee:
WOOD CONVERSION CO
Primary Class:
52/302.1
Other Classes:
52/99, 52/309.3, 52/506.07, 52/781, 454/296
International Classes:
E04B9/24; F24F7/10; F24F13/068; E04B9/22; F24F7/10; F24F13/06
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US Patent References:
3159092Ceiling panel with prefabricated valved ports for controlled air circulation
3155422Windshield mounting
3111188Acoustical tile
3110370Curtain wall material
3084402Acoustical panel
3031944Ceiling air diffuser
3014611Refrigeration apparatus
2993240Ceiling tile mounting construction
2838806Fireproof acoustical correction panels
2781557Acoustical and air distributing ceiling construction
1869367Sound absorbing material and method of making the same
Foreign References:
FR1281949A
FR1319793A
FR1328489A