Imitation ceiling beam attachment clip
United States Patent 3387872
US Patent References:
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- - 2014419

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- - 2309420

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Inventors:
Lovullo, Patrick R.
Sowinski, Gerard T.
Publication Date:
06/11/1968
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Assignee:
NAT GYPSUM CO
Primary Class:
52/714
Other Classes:
52/506.070, 52/463, 52/DIG.008
International Classes:
E04B9/00
US Patent References:
3266209Anchoring system for the installation of slabs on vertical and overhead surfaces
3300940Elongated housing