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US3555479A
Expired / Lapsed
US
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Circuit breaker construction
Assignee: Lear Corp EEDS and Interiors
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Filing: 1967-09-08
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Granted: 1971-01-12
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Expires: 1987-09-08
Abstract
Abstract A CIRCUIT BREAKER HAVING A BIMETAL CONDUCTOR NORMALLY IN BRIDGING ENGAGEMENT WITH TWO SPACED CONTACTS AND BEING RESPONSIVE TO THE PRESENCE OF A CURRENT THEREIN IN EXCESS OF A PREDETERMINED VALUE TO MOVE OUT OF BRIDGING ENGAGEMENT WITH THE CONTACTS, THE CONDUCTOR INCORPORATING SPRING MEANS ENABLING SUCH MOVEMENT OF THE CONDUCTOR AND RESTRAINING RETURN MOVEMENT OF THE CONDUCTOR BRIDGING ENGAGEMENT WITH THE CONTACTS. A MANIPULATABLE RESET MEMBER IS PROVIDED TO RESTORE THE BIMETAL CONDUCTOR TO ITS NORMAL POSITION AND INCORPORATES APPARATUS FOR PREVENTING BRIDGING ENGAGEMENT BETWEEN THE CONDUCTOR AND THE CONTACTS UNTIL SUCH TIME AS THE RESET MEMBER DISENGAGES THE CONDUCTOR.
Inventors
- 👤 Melvin W Polkinghorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:43
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/14; H01H71/18; H01H73/00; H01H73/22; H01H73/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |