Patent US3700546A successfully refreshed from Google Patents.
US3700546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High impact weatherable rigidified structures
Assignee: Wyeth Holdings LLC
•
Filing: 1971-02-17
•
Granted: 1972-10-24
•
Expires: 1991-02-17
Abstract
Abstract A HIGH IMPACT THERMOPLASTIC SHEET HAVING AT LEAST ONE SURFACE THEREOF REINFORCED WITH A FIBERGLASS AND PLYESTER RESIN COMPOSITION AND A METHOD FOR THE PRODUCTION THEREOF, ARE DISCLOSED.
Inventors
- 👤 Joseph Francis Terenzi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:15
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/003; B32; B32B; B32B27/00; B32B27/12; B29K; B29K2309/00; B29K2309/08; B32B2260/00; B32B2260/02; B32B2260/021; B32B2260/04; B32B2260/046; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31616; Y10T428/3162; Y10T428/31645; Y10T428/31649
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) | 1975-10-24 | 1976-04-24 | 1976-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-24 | 1980-04-24 | 1980-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-24 | 1984-04-24 | 1984-10-24 | $7700.00 | Window Closed / Lapsed |