United States Patent 3125479

Publication Date:
03/17/1964
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Primary Class:
156/300
Other Classes:
52/516, 52/408
International Classes:
E04D11/02; E04D11/00
US Patent References:
3321938Flame controlled oil burner head
2392239Bituminous roofing material
2409628Manufacture of coated board
2550465Insulating material
2745779Method of making laminated panels and product thereof
2774698Composite board
2848957Fire-retaining roof structure