US3132586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric detonator
Assignee: Dynamit Nobel AG
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Filing: 1961-07-24
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Granted: 1964-05-12
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Expires: 1981-07-24
Abstract
No abstract record available.
Inventors
- 👤 Scharwachter Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:44
CPC Classifications
F; F42; F42B; F42B3/00; F42B3/10; F42B3/195; F42B3/198; F42B3/12; F42B3/124
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
AN ELECTRIC DETONATOR COMPRISING A HOUSING OF ELECTRICALLY CONDUCTIVE MATERIAL, AN IGNITION ELEMENT WITHIN THE HOUSING, A PAIR OF ELECTRICAL CONDUCTORS FOR SAID ELEMENT OPERATIVELY CONNECTED TO SAID IGNITION ELEMENT AND EXTENDING TO WITHOUT THE HOUSING, A SUPPORT FOR SAID CONDUCTORS OF RELATIVELY LOW ELECTRICAL CONDUCTIVITY MOUNTED WITHIN THE HOUSING IN CONTACT THEREWITH, SAID SUPPORT SUPPORTING SAID CONDUCTORS IN SPACED RELATION WITH RESPECT TO EACH OTHER AND WITH RESPECT TO THE HOUSING BY ENGAGEMENT OF THE SUPPORT AND CONDUCTORS, THE SHORTEST DISTANCE FORM EACH POINT OF CONTACT OF THE HOUSING AND SUPPORT TO EACH CONDUCTOR BEING EQUAL, WHEREBY CURRENT PATH FROM SAID HOUSING TO EACH TERMINAL IS OF SUBSTANTIALLY THE SAME RESISTANCE.
Claim 2
Dependent Claim
112 words
AN ELECTRIC DETONATOR COMPRISING A HOUSING OF ELECTRICALLY CONDUCTIVE MATERIAL, AN IGNITION ELEMENT WITHIN THE HOUSING, A PAIR OF ELECTRICAL CONDUCTORS FOR SAID ELEMENT OPERATIVELY CONNECTED TO SAID IGNITION ELEMENT AND EXTENDING TO WITHOUT THE HOUSING, A SUPPORT FOR SAID CONDUCTORS OF RELATIVELY LOW ELECTRICAL CONDUCTIVITY MOUNTED WITHIN THE HOUSING IN CONTACT THEREWITH, SAID SUPPORT SUPPORTING SAID CONDUCTORS IN SPACED RELATION WITH RESPECT TO EACH OTHER AND WITH RESPECT TO THE HOUSING BY ENGAGEMENT OF THE SUPPORT AND CONDUCTORS, THE SHORTEST DISTANCE FORM EACH POINT OF CONTACT OF THE HOUSING AND SUPPORT TO EACH CONDUCTOR BEING EQUAL, WHEREBY CURRENT PATH FROM SAID HOUSING TO EACH TERMINAL IS OF SUBSTANTIALLY THE SAME RESISTANCE.
References Cited (Backward Citations)
DE961873C
Cited
US2974590A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |