Patent US3317865A successfully refreshed from Google Patents.
US3317865A
Expired / Lapsed
US
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Circuit breaker with mometary by-pass
Assignee: Airpax Electronics Inc
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Filing: 1965-08-10
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Granted: 1967-05-02
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Expires: 1985-08-10
Abstract
No abstract record available.
Inventors
- 👤 George S Harper
- 👤 Lyal N Merriken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:45
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/24; H01H71/38; H01H71/46; H01H71/48; H01H73/00; H01H73/36; H01H73/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A CIRCUIT BREAKER COMPRISING A FRAME, MEANS MOUNTING A FIXED CONTACT ON THE FRAME, A LEVER PIVOTALLY MOUNTED ON THE FRAME AND CARRYING A CONTACT, TOGGLE MEANS FOR PIVOTING THE LEVER TO CLOSE AND OPEN THE CONTACTS, MANUAL MEANS FOR OPERATING THE TOGGLE MEANS, AN ELECTROMAGNET IN SERIES WITH THE CONTACTS, MEANS OPERATED BY THE ELECTROMAGNET TO TRIP THE TOGGLE MEANS ON A PREDETERMINED CURRENT FLOW THROUGH THE CONTACTS TO OPEN THE CONTACTS, AND A SWITCH PLATE PIVOTALLY MOUNTED ON THE FRAME AND PIVOTED BY THE LEVER TO SHORT CIRCUIT THE CONTACTS IMMEDIATELY ON CLOSING OF THE CONTACTS, AND PIVOTED TO REMOVE THE SHORT CIRCUIT IMMEDIATELY THEREAFTER.
Claim 2
Dependent Claim
107 words
A CIRCUIT BREAKER COMPRISING A FRAME, MEANS MOUNTING A FIXED CONTACT ON THE FRAME, A LEVER PIVOTALLY MOUNTED ON THE FRAME AND CARRYING A CONTACT, TOGGLE MEANS FOR PIVOTING THE LEVER TO CLOSE AND OPEN THE CONTACTS, MANUAL MEANS FOR OPERATING THE TOGGLE MEANS, AN ELECTROMAGNET IN SERIES WITH THE CONTACTS, MEANS OPERATED BY THE ELECTROMAGNET TO TRIP THE TOGGLE MEANS ON A PREDETERMINED CURRENT FLOW THROUGH THE CONTACTS TO OPEN THE CONTACTS, AND A SWITCH PLATE PIVOTALLY MOUNTED ON THE FRAME AND PIVOTED BY THE LEVER TO SHORT CIRCUIT THE CONTACTS IMMEDIATELY ON CLOSING OF THE CONTACTS, AND PIVOTED TO REMOVE THE SHORT CIRCUIT IMMEDIATELY THEREAFTER.
References Cited (Backward Citations)
US2409917A
Cited
US3083281A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |