US3792141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of structural fabrication
Assignee: Individual
•
Filing: 1972-05-26
•
Granted: 1974-02-12
•
Expires: 1992-05-26
Abstract
Abstract A STRUCTURAL PRODUCT FORMED BY PASSING A FOAM-FILLED, RESIN-IMPREGNATED FIBERGLASS LAMINATE INTO A PREFORMED MOLD OR EXTRUSION TO SHAPE AND CURE THE MATERIAL INTO AN INSULATED, PRE-FABRICATED, LIGHTWEIGHT, CELLULAR STRUCTURE.
Inventors
- 👤 W Offutt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:15
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/22; B32B5/24; B32B5/245; B29; B29C; B29C44/00; B29C44/20; B29C44/32; B29C44/326; B32B5/18; B32B5/20; B32B5/26; B29L; B29L2007/00; B29L2009/00; B32B2262/00; B32B2262/10; B32B2262/101; B32B2607/00; Y; Y10; Y10S; Y10S264/00; Y10S264/57; Y10T; Y10T428/00; Y10T428/23; Y10T428/233
Claims Analysis
Total Claims: 0
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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) | 1977-02-11 | 1977-08-13 | 1978-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-11 | 1981-08-13 | 1982-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-11 | 1985-08-13 | 1986-02-12 | $7700.00 | Window Closed / Lapsed |