US3300610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-restriking oil circuit breaker having an anti-cavitation device
Assignee: Alcatel Lucent SAS
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Filing: 1961-06-15
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Granted: 1967-01-24
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Expires: 1981-06-15
Abstract
No abstract record available.
Inventors
- 👤 Adrien W Roth
- 👤 Catella Albert
- 👤 Nicoud Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:53
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/60; H01H33/00; H01H33/70; H01H33/88; H01H33/90; H01H33/92
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A HIGH-VOLTAGE, SMALL-OIL-VOLUME CIRCUIT-BREAKER COMPRISING STATIONARY CONTACT MEANS HAVING FIXED CONTACT FINGERS, MOVABLE CONTACT MEANS COOPERATING WITH SAID STATIONARY CONTACT MEANS, HOUSING MEANS EFFECTIVELY FORMING AN OIL INJECTION POT AND INCLUDING SPARK-ARRESTER COVER MEANS, SAID MOVABLE CONTACT MEANS AND THE FIXED CONTACT FINGERS OF SAID STATIONARY CONTACT MEANS BEING DISPOSED ON THE INSIDE OF SAID OIL INJECTION POT IN THE CLOSING POSITION THEREOF, AND CONTROL MEANS WITHIN SAID OIL INJECTION POT FOR CONTROLLING THE OPENING MOVEMENT OF SAID MOVABLE CONTACT MEANS INCLUDING MEANS FOR AIDING IN IMPARTING AT THE BEGINNING OF THE OPENING MOVEMENT A VERY HIGH SPEED TO SAID MOVABLE CONTACT MEANS AND INJECTING ON SAID MOVABLE CONTACT MEANS AN ANTI-CAVITATION OIL CURRENT IN THE DIRECTION OF MOVEMENT OF SAID MOVABLE CONTACT MEANS SUBSTANTIALLY FREE OF SWIRLING MOVEMENTS DURING SUBSTANTIALLY THE ENTIRE DURATION OF POSSIBLE RESTRIKING WITH CAPACTIVE INTERRUPTIONS.
Claim 2
Dependent Claim
140 words
A HIGH-VOLTAGE, SMALL-OIL-VOLUME CIRCUIT-BREAKER COMPRISING STATIONARY CONTACT MEANS HAVING FIXED CONTACT FINGERS, MOVABLE CONTACT MEANS COOPERATING WITH SAID STATIONARY CONTACT MEANS, HOUSING MEANS EFFECTIVELY FORMING AN OIL INJECTION POT AND INCLUDING SPARK-ARRESTER COVER MEANS, SAID MOVABLE CONTACT MEANS AND THE FIXED CONTACT FINGERS OF SAID STATIONARY CONTACT MEANS BEING DISPOSED ON THE INSIDE OF SAID OIL INJECTION POT IN THE CLOSING POSITION THEREOF, AND CONTROL MEANS WITHIN SAID OIL INJECTION POT FOR CONTROLLING THE OPENING MOVEMENT OF SAID MOVABLE CONTACT MEANS INCLUDING MEANS FOR AIDING IN IMPARTING AT THE BEGINNING OF THE OPENING MOVEMENT A VERY HIGH SPEED TO SAID MOVABLE CONTACT MEANS AND INJECTING ON SAID MOVABLE CONTACT MEANS AN ANTI-CAVITATION OIL CURRENT IN THE DIRECTION OF MOVEMENT OF SAID MOVABLE CONTACT MEANS SUBSTANTIALLY FREE OF SWIRLING MOVEMENTS DURING SUBSTANTIALLY THE ENTIRE DURATION OF POSSIBLE RESTRIKING WITH CAPACTIVE INTERRUPTIONS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |