US3733232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making building sheathing elements
Assignee: H H ROBERTSON CO US
•
Filing: 1967-10-10
•
Granted: 1973-05-15
•
Expires: 1987-10-10
Abstract
Abstract A PREFABRICATED, INSULATED BUILDING PANEL FORMED FROM AN INNER LINER SHEET AND A FLUTED OUTER FACING SHEET WITH SIDE EDGES OF BOTH SHEETS ENGAGED TO ALLOW OVERLAPPING CONNECTION OF THE ASSEMBLED PANELS IN SIDE-BY-SIDE RELATION ON A BUILDING OUTER SURFACE. THE PANELS CONTAIN FOAMED-IN-SITU INSULATION WHICH SERVES AS THERMAL AND SOUND INSULATION AND SERVES TO RIGIDFY THE PANEL. THE FOAMED-IN-SITU INSULATION MAY FILL LESS THAN ALL OF THE VOLUME OF THE FLUTED OUTER FACING SHEET.
Inventors
- 👤 H Payne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:49
CPC Classifications
B; B32; B32B; B32B27/00; E; E04; E04C; E04C2/00; E04C2/02; E04C2/10; E04C2/20; E04C2/205; E04C2/26; E04C2/284; E04C2/292; E04D; E04D3/00; E04D3/35; E04D3/351; E04D3/352; E04D3/357; E04D3/358
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1976-05-14 | 1976-11-13 | 1977-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-14 | 1980-11-13 | 1981-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-14 | 1984-11-13 | 1985-05-15 | $7700.00 | Window Closed / Lapsed |