US3295023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit-breaker devices, especially for semi-conductor circuits
Assignee: Renault SA
•
Filing: 1962-12-17
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Granted: 1966-12-27
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Expires: 1982-12-17
Abstract
No abstract record available.
Inventors
- 👤 Peras Lucien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:30
CPC Classifications
H; H01; H01H; H01H77/00; H01H77/02; H01H77/06; H01H77/08; H01H71/00; H01H71/10; H01H71/12; H01H71/14; H01H71/142; H01H71/24; H01H71/26; H02; H02H; H02H11/00; H02H11/002; H02H3/00; H02H3/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A CIRCUIT-BREAKER DEVICE HAVING RAPID ACTION AND RESETTING COMPRISING A FIXED MAGNETIC FRAME CONSTITUTED OF A STRIP IN A GENERAL U SHAPE HAVING TWO ARMS, AT LEAST ONE PERMANENT MAGNET FIXEDLY MOUNTED ON THE INSIDE OF EACH OF SAID ARMS, A BLADE MOVABLY SUPPORTED BETWEEN SAID MAGNETS, THE OPPOSITE FACES OF SAID MAGNETS BEING OPPOSITE POLES AND THE DISTANCE BETWEEN SUCH MAGNETS BEING SUCH THAT THE BLADE HAS ONLY TWO STABLE POSITIONS OF EQUILIBRIUM AGAINST EITHER OF SAID MAGNETS, A COIL CONSTITUTED BY AT LEAST ONE SEPARATE WINDING SURROUNDING SAID BLADE, AN ELECTRICAL SWITCH IN SERIES WITH SAID COIL, SAID SWITCH HAVING AT
Claim 2
Dependent Claim
103 words
A CIRCUIT-BREAKER DEVICE HAVING RAPID ACTION AND RESETTING COMPRISING A FIXED MAGNETIC FRAME CONSTITUTED OF A STRIP IN A GENERAL U SHAPE HAVING TWO ARMS, AT LEAST ONE PERMANENT MAGNET FIXEDLY MOUNTED ON THE INSIDE OF EACH OF SAID ARMS, A BLADE MOVABLY SUPPORTED BETWEEN SAID MAGNETS, THE OPPOSITE FACES OF SAID MAGNETS BEING OPPOSITE POLES AND THE DISTANCE BETWEEN SUCH MAGNETS BEING SUCH THAT THE BLADE HAS ONLY TWO STABLE POSITIONS OF EQUILIBRIUM AGAINST EITHER OF SAID MAGNETS, A COIL CONSTITUTED BY AT LEAST ONE SEPARATE WINDING SURROUNDING SAID BLADE, AN ELECTRICAL SWITCH IN SERIES WITH SAID COIL, SAID SWITCH HAVING AT
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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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |