US3252418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic mine
Assignee: C R I F SA
•
Filing: 1964-07-13
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Granted: 1966-05-24
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Expires: 1984-07-13
Abstract
No abstract record available.
Inventors
- 👤 Terrioux Jean-Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:39
CPC Classifications
F; F42; F42C; F42C13/00; F42C13/08; F42B; F42B1/00; F42B1/02; F42B1/028; F42B23/00; F42B23/04; F42C11/00; F42C11/001; F42C11/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A MAGNETICALLY DETONATED EXPLOSIVE MINE OF THE TYPE COMPRISING A CHARGE, A DETONATOR, AND MEANS COMPRISING AN ELECTRICAL COIL FOR FIRING SAID DETONATOR, THE TURNS OF SAID COIL BEING FORMED INTO A SOLID SHAPED CHARGE LINER HAVING A CENTRAL DEPRESSION AND CONSTITUTING PART OF A CASING ENCLOSING SAID CHARGE.
Claim 2
Dependent Claim
49 words
A MAGNETICALLY DETONATED EXPLOSIVE MINE OF THE TYPE COMPRISING A CHARGE, A DETONATOR, AND MEANS COMPRISING AN ELECTRICAL COIL FOR FIRING SAID DETONATOR, THE TURNS OF SAID COIL BEING FORMED INTO A SOLID SHAPED CHARGE LINER HAVING A CENTRAL DEPRESSION AND CONSTITUTING PART OF A CASING ENCLOSING SAID CHARGE.
References Cited (Backward Citations)
US3001476A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-23 | 1969-11-22 | 1970-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-23 | 1973-11-22 | 1974-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-23 | 1977-11-22 | 1978-05-24 | $7700.00 | Window Closed / Lapsed |