US4300453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaped charge warhead
Assignee: Rheinmetall Air Defence AG
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Filing: 1979-12-14
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Granted: 1981-11-17
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Expires: 1999-12-14
Abstract
Abstract A shaped charge warhead comprising a sleeve, which, in order to improve the rate of detonation of the shaped charge is more weakly structured at the region of a hollow space or cavity of the shaped charge, for instance by providing at such location internal threading, reduced wall thickness or using a weaker material, or combinations thereof.
Inventors
- 👤 Hans-Ulrich Bigler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:12
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/02; F42B12/04; F42B12/10; F42B1/00; F42B1/02; F42B1/036
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A shaped warhead comprising: a sleeve; a hollow charge arranged within said sleeve; said hollow charge containing a substantially conical hollow cavity having a base and an apex; and said sleeve being provided with internal threading extending from the base to the apex of said conical hollow cavity, so as to impart thereto a thinner and therefore weaker wall structure extending from said base to said apex of the conical hollow cavity.
Claim 2
Dependent Claim
72 words
A shaped warhead comprising: a sleeve; a hollow charge arranged within said sleeve; said hollow charge containing a substantially conical hollow cavity having a base and an apex; and said sleeve being provided with internal threading extending from the base to the apex of said conical hollow cavity, so as to impart thereto a thinner and therefore weaker wall structure extending from said base to said apex of the conical hollow cavity.
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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) | 1984-11-16 | 1985-05-18 | 1985-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-11-16 | 1989-05-18 | 1989-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-11-16 | 1993-05-18 | 1993-11-17 | $7700.00 | Window Closed / Lapsed |