US2335286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft gunnery device
Assignee: Douglas Aircraft Co Inc
•
Filing: 1939-07-17
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Granted: 1943-11-30
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Expires: 1959-07-17
Abstract
No abstract record available.
Inventors
- 👤 Wolfgang B Klemperer
- 👤 Corte Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:36
CPC Classifications
F; F41; F41H; F41H5/00; F41H5/26; F41H5/266; F41G; F41G1/00; F41G1/40
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) | 1946-11-29 | 1947-05-31 | 1947-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-11-29 | 1951-05-31 | 1951-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-11-29 | 1955-05-31 | 1955-11-30 | $7700.00 | Window Closed / Lapsed |