Patent US2273466A successfully refreshed from Google Patents.
US2273466A
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US
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Laminated structure
Assignee: Wingfoot Corp
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Filing: 1941-05-19
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Granted: 1942-02-17
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Expires: 1961-05-19
Abstract
No abstract record available.
Inventors
- 👤 Ray P Dinsmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:27
CPC Classifications
B; B32; B32B; B32B25/00; B32B25/04; B32B38/00; B32B38/0012; B32B2038/0028; B32B2307/00; B32B2307/50; B32B2307/514; B32B2319/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31826; Y10T428/3183; Y10T428/31855; Y10T428/31909; Y10T428/31928
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) | 1945-02-16 | 1945-08-18 | 1946-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-02-16 | 1949-08-18 | 1950-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-02-16 | 1953-08-18 | 1954-02-17 | $7700.00 | Window Closed / Lapsed |