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Patent US2793590A successfully refreshed from Google Patents.
US2793590A
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Practice projectile
Assignee: Anstalt Fuer die Entwicklung von Erfindungen und Gewerblichen Anwendungen ENERGA
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Filing: 1953-03-13
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Granted: 1957-05-28
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Expires: 1973-03-13
Abstract
No abstract record available.
Inventors
- 👤 Brandt Edgar William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:47
CPC Classifications
F; F42; F42C; F42C19/00; F42C19/08; F42C19/0823; F42C19/0826; F42B; F42B10/00; F42B10/02; F42B10/04; F42B10/06; F42B12/00; F42B12/02; F42B12/04; F42B12/10; F42B30/00; F42B30/08; F42B30/10; F42B30/12; F42B8/00; F42B8/02; F42B8/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1292388A
Cited
US2246429A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-27 | 1960-11-26 | 1961-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-27 | 1964-11-26 | 1965-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-27 | 1968-11-26 | 1969-05-28 | $7700.00 | Window Closed / Lapsed |