Structural building element
United States Patent 3103042
US Patent References:
Insulation and means embodying the same
- - 1943701

Insulated structure
- - 1981559

Insulating package
- - 2123869

Insulating board
- - 2233190

Sound-absorbing unit
- - 2357115


Inventors:
John, Martin
Publication Date:
09/10/1963
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Assignee:
Maquinas, Fabricacion SA. DE.
Primary Class:
428/74
Other Classes:
428/131, 52/506.010, 428/119, 108/27, 52/408, 52/746.110, 428/116, 52/409, 52/794.100
International Classes:
E04C2/18; E04C2/36; E04D3/35; E04D11/00; E04C2/10; E04C2/34
US Patent References:
2779066Insulated refrigerator wall
2837779Insulation product
2939811Heat-insulating units for refrigerator cabinets