Patent US2999461A successfully refreshed from Google Patents.
US2999461A
Expired / Lapsed
US
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Impact fuze
Assignee: Rheinmetall Air Defence AG
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Filing: 1959-03-23
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Granted: 1961-09-12
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Expires: 1979-03-23
Abstract
No abstract record available.
Inventors
- 👤 Apotheloz Robert
- 👤 Huber Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:05
CPC Classifications
F; F42; F42C; F42C15/00; F42C15/18; F42C1/00; F42C1/02; F42C1/04; F42C1/06; F42C15/184; F42C15/24; F42C9/00; F42C9/14; F42C9/142
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1545139A
Cited
US2685253A
Cited
US2831431A
Cited
US2651993A
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US2872868A
Cited
US2882825A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |