US2938460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Finned projectile
Assignee: Anstalt Fuer die Entwicklung von Erfindungen und Gewerblichen Anwendungen ENERGA
•
Filing: 1957-09-05
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Granted: 1960-05-31
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Expires: 1977-09-05
Abstract
No abstract record available.
Inventors
- 👤 Brandt Edgar William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:50
CPC Classifications
F; F42; F42B; F42B10/00; F42B10/02; F42B10/04; F42B10/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1153425A
Cited
US2359777A
Cited
US2345619A
Cited
US2429599A
Cited
US2728296A
Cited
US2764092A
Cited
US2672094A
Cited
US2737888A
Cited
FR1058268A
Cited
US2821924A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-31 | 1963-11-30 | 1964-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-31 | 1967-11-30 | 1968-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-31 | 1971-11-30 | 1972-05-31 | $7700.00 | Window Closed / Lapsed |