Patent US3785913A successfully refreshed from Google Patents.
US3785913A
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US
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Prefabricated construction panel
Assignee: Hallamore Homes Inc
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Filing: 1971-08-12
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Granted: 1974-01-15
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Expires: 1991-08-12
Abstract
Abstract A STRUCTURAL PANEL PARTICULARLY SUITABLE FOR USE AS AN EXTERIOR MEMBERS OF A BUILDING IS DISCLOSED. THE PANEL INCLUDES AN INNER SKIN FOR PROVIDING A SUITABLE INTERNAL WALL FINISH AND A WEATHER RESISTANT OUTER SKIN. A LAYER OF RIGID PLASTIC FOAM IS DISPOSED ADJACENT THE INNER SKIN AND A LAYER OF COMPRESSIBLE HEAT RESISTANT AND ACOUSTICALLY INSULATING MATERIAL IS DISPOSED BETWEEN THE FOAM AND THE OUTER SKIN TO ACCOMMODATE THE THERMAL EXPANSION AND CONTRACTION OF THE FOAM. STRENGTHENING STRUTS MAY BE SUITABLY POSITIONED BETWEEN THE INNER AND OUTER SKINS OF THE PANEL TO ACCOMMODATE STRESSES AS REQUIRED BY APPLICABLE BUILDING CODES.
Inventors
- 👤 L Hallamore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:40
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/22; B32B5/24; B32B5/245; E; E04; E04C; E04C2/00; E04C2/02; E04C2/26; E04C2/284; E04C2/30; E04C2/38; E04C2/384; E04C2/386; B32B2262/00; B32B2262/10; B32B2262/101; B32B2262/108; B32B2266/00; B32B2266/02; B32B2266/0214; B32B2266/0221; B32B2266/0228; B32B2266/0278; B32B2607/00; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10T; Y10T428/00; Y10T428/23; Y10T428/233; Y10T428/239; Y10T428/24; Y10T428/24174; Y10T428/249921; Y10T428/249953; Y10T428/249962; Y10T428/249964; Y10T428/249987; Y10T428/24999
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-14 | 1977-07-16 | 1978-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-14 | 1981-07-16 | 1982-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-14 | 1985-07-16 | 1986-01-15 | $7700.00 | Window Closed / Lapsed |