Patent US4049839A successfully refreshed from Google Patents.
Patent US3302144A successfully refreshed from Google Patents.
US3302144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High speed circuit breaker with flip-flop mechanism
Assignee: ABB Inc USA
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Filing: 1965-03-22
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Granted: 1967-01-31
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Expires: 1985-03-22
Abstract
No abstract record available.
Inventors
- 👤 Jensen Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:42
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/22; H01H3/222; H01H50/00; H01H50/16; H01H50/18; H01H50/20; H01H9/00; H01H9/30; H01H9/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
244 words
AN OPERATING MECHANISM FOR A CIRCUIT INTERRUPTER; SAID CIRCUIT INTERRUPTER INCLUDING A STATIONARY CONTACT, A MOVABLE CONTACT MOVABLE INTO AND OUT OF ENGAGEMENT WITH SAID STATIONARY CONTACT, AND A MOVABLE SUPPORT SHAFT HAVING SAID MOVABLE CONTACT SECURED THERETO AND MOVABLE THEREWITH; SAID OPERATING MECHANISM INCLUDING A NON-MAGNETIC RING-SHAPED CONDUCTIVE ARMATURE DEFINING A SHORT-CIRCUITED WINDING CONNECTED TO SAID SHAFT AND FIRST AND SECOND SPACED WINDINGS; SAID FIRST AND SECOND SPACED WINDINGS AND SAID RING-SHAPED ARMATURE POSITIONED ON A COMMON AXIS AND LYING IN SPACED PARALLEL PLANES; SAID RINGSHAPED ARMATURE DISPOSED BETWEEN SAID FIRST AND SECOND SPACED WINDINGS; SAID MOVABLE SUPPORT SHAFT MOVING BETWEEN FIRST AND SECOND POSITIONS RESPECTIVELY ADJACENT SAID FIRST AND SECOND SPACED WINDINGS; SAID FIRST AND SECOND POSITIONS OF SAID SHAFT CORRESPONDING TO ENGAGEMENT AND DISENGAGEMENT RESPECTIVELY OF SAID MOVABLE AND STATIONARY CONTACTS; SAID FIRST AND SECOND WINDINGS HAVING RESPECTIVE TERMINAL CONNECTIONS; AND VOLTAGE SOURCE MEANS CONNECTED TO SAID TERMINALS WHEREBY WHEN SAID ARMATURE IS ADJACENT ONE OF SAID FIRST OR SECOND WINDINGS, ENERGIZATION OF SAID ONE OF SAID FIRST OR SECOND WINDINGS BY SAID VOLTAGE SOURCE MEANS CAUSES HIGH SPEED MOVEMENT OF SAID ARMATURE TOWARD THE OTHER OF SAID FIRST OR SECOND WINDINGS; SAID VOLTAGE SOURCE MEANS INCLUDING A SINGLE PULSE VOLTAGE SOURCE; SAID TERMINAL CONNECTORS OF SAID FIRST AND SECOND WINDINGS CONNECTED TO ONE ANOTHER AND TO SAID SINGLE VOLTAGE SOURCE IN A COMMON CIRCUIT CONNECTION WHEREBY SAID SINGLE PULSE VOLTAGE SOURCE ENERGIZES BOTH OF SAID FIRST AND SECOND WINDINGS SIMULTANEOUSLY.
Claim 2
Dependent Claim
244 words
AN OPERATING MECHANISM FOR A CIRCUIT INTERRUPTER; SAID CIRCUIT INTERRUPTER INCLUDING A STATIONARY CONTACT, A MOVABLE CONTACT MOVABLE INTO AND OUT OF ENGAGEMENT WITH SAID STATIONARY CONTACT, AND A MOVABLE SUPPORT SHAFT HAVING SAID MOVABLE CONTACT SECURED THERETO AND MOVABLE THEREWITH; SAID OPERATING MECHANISM INCLUDING A NON-MAGNETIC RING-SHAPED CONDUCTIVE ARMATURE DEFINING A SHORT-CIRCUITED WINDING CONNECTED TO SAID SHAFT AND FIRST AND SECOND SPACED WINDINGS; SAID FIRST AND SECOND SPACED WINDINGS AND SAID RING-SHAPED ARMATURE POSITIONED ON A COMMON AXIS AND LYING IN SPACED PARALLEL PLANES; SAID RINGSHAPED ARMATURE DISPOSED BETWEEN SAID FIRST AND SECOND SPACED WINDINGS; SAID MOVABLE SUPPORT SHAFT MOVING BETWEEN FIRST AND SECOND POSITIONS RESPECTIVELY ADJACENT SAID FIRST AND SECOND SPACED WINDINGS; SAID FIRST AND SECOND POSITIONS OF SAID SHAFT CORRESPONDING TO ENGAGEMENT AND DISENGAGEMENT RESPECTIVELY OF SAID MOVABLE AND STATIONARY CONTACTS; SAID FIRST AND SECOND WINDINGS HAVING RESPECTIVE TERMINAL CONNECTIONS; AND VOLTAGE SOURCE MEANS CONNECTED TO SAID TERMINALS WHEREBY WHEN SAID ARMATURE IS ADJACENT ONE OF SAID FIRST OR SECOND WINDINGS, ENERGIZATION OF SAID ONE OF SAID FIRST OR SECOND WINDINGS BY SAID VOLTAGE SOURCE MEANS CAUSES HIGH SPEED MOVEMENT OF SAID ARMATURE TOWARD THE OTHER OF SAID FIRST OR SECOND WINDINGS; SAID VOLTAGE SOURCE MEANS INCLUDING A SINGLE PULSE VOLTAGE SOURCE; SAID TERMINAL CONNECTORS OF SAID FIRST AND SECOND WINDINGS CONNECTED TO ONE ANOTHER AND TO SAID SINGLE VOLTAGE SOURCE IN A COMMON CIRCUIT CONNECTION WHEREBY SAID SINGLE PULSE VOLTAGE SOURCE ENERGIZES BOTH OF SAID FIRST AND SECOND WINDINGS SIMULTANEOUSLY.
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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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |