US3072765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit breaker
Assignee: Westinghouse Electric Corp
•
Filing: 1960-07-06
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Granted: 1963-01-08
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Expires: 1980-07-06
Abstract
No abstract record available.
Inventors
- 👤 Hauser Richard
- 👤 John H Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:04
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/24; H01H71/2463; H01H1/00; H01H1/58; H01H1/5833; H01H2001/5838; H01H71/2454
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
IN A CIRCUIT INTERRUPTER, A STATIONARY CONTACT, A MOVABLE CONTACT, A CURRENT CARRYING SWITCH ARM SUPPORTING THE MOVABLE CONTACT, OPERATING MEANS OPERABLE TO MOVE THE SWITCH ARM TO OPEN AND CLOSE THE INTERRUPTER, A TRIPPING ELECTROMAGNET COMPRISING A GENERALLY U-SHAPED MAGNET YOKE, THE SWITCH ARM IN THE CLOSED POSITION PASSING THROUGH THE OPENING DEFINED BY THE LEGS OF THE GENERALLY U-SHAPED MAGNET YOKE, A LOOPED CONDUCTING MEMBER COOPERATING WITH THE SWITCH ARM TO FORM A MULTI-TURN CURRENT PATH FOR ENERGIZING THE U-SHAPED MAGNET YOKE, AND UPON THE OCCURRENCE OF A PREDETERMINED AMOUNT OF OVERLOAD CURRENT THROUGH THE MULTI-TURN CURRENT PATH THE MAGNET YOKE BECOMING ENERGIZED SUFFICIENTLY TO OPERATE THE TRIPPING ELECTROMAGNET TO EFFECT OPENING OF THE CIRCUIT INTERRUPTER.
Claim 2
Dependent Claim
118 words
IN A CIRCUIT INTERRUPTER, A STATIONARY CONTACT, A MOVABLE CONTACT, A CURRENT CARRYING SWITCH ARM SUPPORTING THE MOVABLE CONTACT, OPERATING MEANS OPERABLE TO MOVE THE SWITCH ARM TO OPEN AND CLOSE THE INTERRUPTER, A TRIPPING ELECTROMAGNET COMPRISING A GENERALLY U-SHAPED MAGNET YOKE, THE SWITCH ARM IN THE CLOSED POSITION PASSING THROUGH THE OPENING DEFINED BY THE LEGS OF THE GENERALLY U-SHAPED MAGNET YOKE, A LOOPED CONDUCTING MEMBER COOPERATING WITH THE SWITCH ARM TO FORM A MULTI-TURN CURRENT PATH FOR ENERGIZING THE U-SHAPED MAGNET YOKE, AND UPON THE OCCURRENCE OF A PREDETERMINED AMOUNT OF OVERLOAD CURRENT THROUGH THE MULTI-TURN CURRENT PATH THE MAGNET YOKE BECOMING ENERGIZED SUFFICIENTLY TO OPERATE THE TRIPPING ELECTROMAGNET TO EFFECT OPENING OF THE CIRCUIT INTERRUPTER.
References Cited (Backward Citations)
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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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |