US2549030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gunfire director
Assignee: Individual
•
Filing: 1947-08-22
•
Granted: 1951-04-17
•
Expires: 1967-08-22
Abstract
No abstract record available.
Inventors
- 👤 Duncan J Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:32
CPC Classifications
F; F41; F41G; F41G5/00; F41G5/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2388509A
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US1695483A
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US1974864A
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US1968002A
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US2235826A
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US2317419A
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US2399726A
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US2403738A
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US2403737A
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US2401700A
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US2401706A
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US2401704A
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US2401696A
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US2439381A
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US2426658A
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US2458448A
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US2459206A
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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) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |