US3090308A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric primers for projectiles
Assignee: Brevets Aero Mecaniques SA
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Filing: 1960-10-24
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Granted: 1963-05-21
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Expires: 1980-10-24
Abstract
No abstract record available.
Inventors
- 👤 Paschoud Louis-David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:40
CPC Classifications
F; F42; F42C; F42C19/00; F42C19/08; F42C19/12; F42B; F42B3/00; F42B3/10; F42B3/12; F42B3/124; F42B3/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
101 words
AN ELECTRICAL PRIMER FOR A PROJECTILE COMPRISING, FIRST AND SECOND CYLINDRICAL ELECTRODES, SAID SECOND ELECTRODE INCLUDING AN INTERNAL SLEEVE PROVIDED WITH A BASE, SAID BASE HAVING AN ORIFICE, SAID FIRST ELECTRODE DISPOSED WITHIN AND SPACED FROM SAID SECOND ELECTRODE, AN INSULATING MEANS BETWEEN AID ELECTRODES, SAID SLEEVE OF SAID SECOND ELECTRODE CONTAINING AN EXPLOSIVE CHARGE TO BE IGNITED BY A SPARK JUMPING BETWEEN AID ELECTRODES, A PART OF SAID FIRST ELECTRODE EMERGING FROM SID INSULATING MASS ADJACENT SAID ORIFICE IN SAID BASE, A SINGLE METALLIC DEPOSIT IN COLLOIDAL FROM OVERLYING SAID INSULATING MASS AND CONNECTING SAID FIRST AND SECOND ELECTRODES ADJACENT
References Cited (Backward Citations)
US2920569A
Cited
US2887054A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |