US3773603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building element
Assignee: FAGERSTATAKET A Co OF SWEDEN AB
•
Filing: 1970-12-07
•
Granted: 1973-11-20
•
Expires: 1990-12-07
Abstract
Abstract A building element for roofing and walls wherein a rigid sheet material is covered on one side with a moisture retaining porous glass fiber layer having a uniform thickness of 0.4 to 1.0 mm. The building element may be either even or corrugated. The invention is especially directed to a roofing element wherein a corrugated sheet metal element is covered by a porous glass fiber layer having a thickness of 0.5 to 1.0 mm.
Inventors
- 👤 S Scholander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:54
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/26; E04C2/284; E04C2/296; B; B32; B32B; B32B15/00; B32B15/14; B32B3/00; B32B3/26; B32B3/28; E04C2/30; E04C2/32; E04C2/322; E04D; E04D3/00; E04D3/35; E04D3/351; E04D3/358; B32B2262/00; B32B2262/10; B32B2262/101; B32B2307/00; B32B2307/70; B32B2307/712; B32B2419/00; B32B2419/06; Y; Y10; Y10T; Y10T428/00; Y10T428/19; Y10T428/192; Y10T428/193; Y10T428/24; Y10T428/24008; Y10T428/24479; Y10T428/24488; Y10T428/24628; Y10T428/24669; Y10T428/24694; Y10T428/249921; Y10T428/249953; Y10T428/249962; Y10T428/249964; Y10T428/249987; Y10T428/24999; Y10T428/26; Y10T428/29; Y10T428/2913; Y10T428/298
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
14 words
A building structure as claimed in claim 1 wherein said base sheet is corrugated.
Claim 2
Dependent Claim
14 words
A building element as claimed in claim 1 wherein said base sheet is metal.
Claim 3
Dependent Claim
41 words
A structure as claimed in claim 1 wherein two of said sheets with their respective glass fiber layers are overlapped in edge-to-edge relation to form a joint, the fiber layer of one sheet being interposed and compressed between both base sheets.
Claim 4
Dependent Claim
45 words
A structure as claimed in claim 1 wherein the glass fibers of said layers have an average diameter of 10-12 microns, said glass fiber layers being compressible to a fraction of their thickness when compressed between two base sheets at a joint between the sheets.
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) | 1976-11-19 | 1977-05-21 | 1977-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-19 | 1981-05-21 | 1981-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-19 | 1985-05-21 | 1985-11-20 | $7700.00 | Window Closed / Lapsed |