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Patent US2675608A successfully refreshed from Google Patents.
US2675608A
Expired / Lapsed
US
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Method of making sheet metal aircraft structures
Assignee: Fairey Aviation Co Ltd
•
Filing: 1950-04-03
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Granted: 1954-04-20
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Expires: 1970-04-03
Abstract
No abstract record available.
Inventors
- 👤 Vines Alan
- 👤 Welham Geoffrey Leonar Freeman
- 👤 Maughan George Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:04
CPC Classifications
B; B64; B64F; B64F5/00; B64F5/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49895; Y10T29/49901
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-19 | 1957-10-19 | 1958-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-19 | 1961-10-19 | 1962-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-19 | 1965-10-19 | 1966-04-20 | $7700.00 | Window Closed / Lapsed |