US2709947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft and armament therefor
Assignee: Bell Aircraft Corp
•
Filing: 1949-03-10
•
Granted: 1955-06-07
•
Expires: 1969-03-10
Abstract
No abstract record available.
Inventors
- 👤 Robert J Woods
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:43
CPC Classifications
B; B64; B64D; B64D7/00; B64D7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1698326A
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GB428934A
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US2250240A
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US2167561A
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GB554434A
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GB556933A
Cited
GB553704A
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US2445235A
Cited
US2517333A
Cited
GB585564A
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US2440723A
Cited
US2409210A
Cited
US2451745A
Cited
FR924013A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-06 | 1958-12-06 | 1959-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-06 | 1962-12-06 | 1963-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-06 | 1966-12-06 | 1967-06-07 | $7700.00 | Window Closed / Lapsed |