US2471368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gunfire control training apparatus
Assignee: Arenco AB
•
Filing: 1944-11-27
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Granted: 1949-05-24
•
Expires: 1964-11-27
Abstract
No abstract record available.
Inventors
- 👤 Ekstrom Gunnar
- 👤 Dietmann Paul Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:15
CPC Classifications
F; F41; F41G; F41G3/00; F41G3/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US729491A
Cited
US1564138A
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US1825462A
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US1939706A
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US2066498A
Cited
US2065303A
Cited
GB521928A
Cited
US2387749A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-23 | 1952-11-22 | 1953-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-23 | 1956-11-22 | 1957-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-23 | 1960-11-22 | 1961-05-24 | $7700.00 | Window Closed / Lapsed |