Title:
Ceiling construction
Document Type and Number:
United States Patent 3030670

Inventors:
Bigelow, Donald W.
Publication Date:
04/24/1962
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Referenced by:
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Assignee:
Bigelow, Donald W.
Primary Class:
52/650.300
Other Classes:
52/506.090, 52/378
International Classes:
E04B9/26; E04B9/32; E04B9/00; E04B9/22
US Patent References:
1864965Ceiling construction
2121432Structural assembly
2270268Acoustical assembly
2485090Channel clip
2659807Combination luminous and acoustical ceiling
2676679Joint construction
2734446
2822584Suspended ceiling construction
2866233Acoustical ceiling structure
2939543Louvered ceiling construction


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