Patent US1773029A successfully refreshed from Google Patents.
US1773029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floating station for aircraft
Assignee: ALAN COBHAM AVIAT Ltd
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Filing: 1929-12-23
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Granted: 1930-08-12
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Expires: 1949-12-23
Abstract
No abstract record available.
Inventors
- 👤 Cobham Alan John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:54
CPC Classifications
B; B63; B63B; B63B21/00; B63B21/50; B63B21/507; B63B22/00; B63B22/02; B63B35/00; B63B35/50
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) | 1933-08-11 | 1934-02-10 | 1934-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-08-11 | 1938-02-10 | 1938-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-08-11 | 1942-02-10 | 1942-08-12 | $7700.00 | Window Closed / Lapsed |