Interlocking roofing shingle
United States Patent 3394520
US Patent References:
Building wall sidings
- - 2766861
Double-locking strip shingle
- - 3108405
Roofing structure
- - 3114218
Sealing extrusion for panel joint
- - 3283462
Building wall sidings
- - 2766861
Double-locking strip shingle
- - 3108405
Roofing structure
- - 3114218
Sealing extrusion for panel joint
- - 3283462
Inventors:
Skelton Jr., Arthur W.
Publication Date:
07/30/1968
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Export Citation:
Primary Class:
Other Classes:
52/555, 52/96, 52/531
International Classes:
E04D1/26; E04D3/32; E04D3/362; E04D1/00; E04D3/24; E04D3/36