US2717552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perforating explosive projectile
Assignee: Anstalt Fuer die Entwicklung von Erfindungen und Gewerblichen Anwendungen ENERGA
•
Filing: 1946-02-26
•
Granted: 1955-09-13
•
Expires: 1966-02-26
Abstract
No abstract record available.
Inventors
- 👤 Brandt Edgar William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:56
CPC Classifications
F; F42; F42B; F42B10/00; F42B10/02; F42B10/04; F42B10/06; F42B12/00; F42B12/02; F42B12/04; F42B12/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US369459A
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US476395A
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GB191128030A
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CH70165A
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US1150667A
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GB147104A
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US1531624A
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GB260470A
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FR614192A
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US1900790A
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US2090457A
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US2070946A
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US2426997A
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US2412967A
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US2396978A
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US2419414A
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US2441388A
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US2413680A
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US2413004A
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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) | 1958-09-12 | 1959-03-14 | 1959-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-12 | 1963-03-14 | 1963-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-12 | 1967-03-14 | 1967-09-13 | $7700.00 | Window Closed / Lapsed |