Patent US3092699A successfully refreshed from Google Patents.
US3092699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodynamic force-compensation pressure contacts for circuit breakers
Assignee: Merlin Gerin SA
•
Filing: 1959-12-17
•
Granted: 1963-06-04
•
Expires: 1979-12-17
Abstract
No abstract record available.
Inventors
- 👤 Latour Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:39
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/50; H01H1/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
IN AN ELECTRIC SWITCH, THE COMBINATION OF A STATIONARY AND A MOVABLE CONTACT, AND OF A STATIONARY AND A MOVABLE CONDUCTOR RESPECTIVELY ENDING AT SAID CONTACTS AND HAVING RESPECTIVELY SUBSTANTIALLY RECTILINEAR LENGTH PORTIONS EXTENDING PARALLEL AND CLOSE TO EACH OTHER WHEN THE SWITCH IS CLOSED, SAID MOVABLE CONDUCTOR CONSTITUTING THE CARRYING ARM OF SAID MOVABLE CONTACT AND BEING DISPOSED IN POSITION TO REACT MAGNETICALLY IN CLOSED POSITION OF THE CONTACTS WITH SAID STATIONARY CONDUCTOR IN A DIRECTION TO URGE SAID MOVABLE CONTACT AGAINST SAID STATIONARY CONTACT, THE TWO CONDUCTORS, AT LEAST UPON INITIAL OPENING MOVEMENT OF THE CONTACTS AND FORMATION OF AN ARC, FORMING WITH THEIR ENDS, NEAREST TO THE CONTACTS, SAID CONTACTS AND SAID ARC, A LOOP, WHEREBY THE MAGNETIC FORCES OF THE CURRENT TEND TO EXPAND SAID LOOP AND THUS TO REPEL THE ARC; AT LEAST ONE OF SAID CONDUCTORS INCLUDING SERIALLY CONNECTED PORTIONS LEADING THE CURRENT IN SUC-
Claim 2
Dependent Claim
151 words
IN AN ELECTRIC SWITCH, THE COMBINATION OF A STATIONARY AND A MOVABLE CONTACT, AND OF A STATIONARY AND A MOVABLE CONDUCTOR RESPECTIVELY ENDING AT SAID CONTACTS AND HAVING RESPECTIVELY SUBSTANTIALLY RECTILINEAR LENGTH PORTIONS EXTENDING PARALLEL AND CLOSE TO EACH OTHER WHEN THE SWITCH IS CLOSED, SAID MOVABLE CONDUCTOR CONSTITUTING THE CARRYING ARM OF SAID MOVABLE CONTACT AND BEING DISPOSED IN POSITION TO REACT MAGNETICALLY IN CLOSED POSITION OF THE CONTACTS WITH SAID STATIONARY CONDUCTOR IN A DIRECTION TO URGE SAID MOVABLE CONTACT AGAINST SAID STATIONARY CONTACT, THE TWO CONDUCTORS, AT LEAST UPON INITIAL OPENING MOVEMENT OF THE CONTACTS AND FORMATION OF AN ARC, FORMING WITH THEIR ENDS, NEAREST TO THE CONTACTS, SAID CONTACTS AND SAID ARC, A LOOP, WHEREBY THE MAGNETIC FORCES OF THE CURRENT TEND TO EXPAND SAID LOOP AND THUS TO REPEL THE ARC; AT LEAST ONE OF SAID CONDUCTORS INCLUDING SERIALLY CONNECTED PORTIONS LEADING THE CURRENT IN SUC-
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) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |