Patent US3207879A successfully refreshed from Google Patents.
US3207879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Operating mechanism for circuit breakers
Assignee: Allis Chalmers Corp
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Filing: 1963-01-16
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Granted: 1965-09-21
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Expires: 1983-01-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Edwin C Goodwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:02
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/22; H01H3/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
IN A CIRCUIT BREAKER OPERATING MECHANISM HAVING A CONTACT MOVABLE TO A CLOSED POSITION AND TO AN OPEN POSITION, IN COMBINATION, A CONTACT CONTROLLING MECHANISM CONNECTED TO SAID CONTACT AND MOVABLE TO A CONTACT CLOSED POSITION WHEREIN IT IS RELEASABLY LATCHED AND COLLAPSIBLE TO A CONTACT OPEN POSITION WHEN UNLATCHED, SAID CONTACT CONTROLLING MECHANISM COMPRISING AS OFFCENTER TOGGLE MEANS COMPRISING AT LEAST TWO ARMS AND HAVING AN EXPANDED POSITION AND A COLLAPSED POSITION FOR MOVINV SAID CONTACT TO ITS CLOSED POSITION AND OPEN POSITION, RESPECTIVELY, A CONTACT OPENING SPRING CHARGEABLE BY MOVEMENT OF SAID OFFCENTER TOGGLE MEANS TO EXPANDED POSITION AND DISCHARGEABLE TO EFFECT COLLAPSE OF SAID CONTROLLING MECHANISM, AND OVERCENTER TOGGLE MEANS COMPRISING AT LEAST TWO ARMS AND HAVING AN OVERCENTER POSITION WHEREIN IT MOVES SAID OFFCENTER TOGGLE MEANS TO EXPANDED POSITION AND HAVING A COLLAPSED POSITION WHEREIN IT PERMITS COLLAPSE OF SAID OFFCENTER TOGGLE MEANS, AND A TRANSCHARGEABLE BY MOVEMENT OF SAID TRANSMFISSION MECHANISM TO CHARGED POSITION AND DISCHARGEABLE TO EFFECT MOVEMENT OF SAID TRNASMISSION MECHANISM TO SAID OTHER POSITION.
Claim 2
Dependent Claim
172 words
IN A CIRCUIT BREAKER OPERATING MECHANISM HAVING A CONTACT MOVABLE TO A CLOSED POSITION AND TO AN OPEN POSITION, IN COMBINATION, A CONTACT CONTROLLING MECHANISM CONNECTED TO SAID CONTACT AND MOVABLE TO A CONTACT CLOSED POSITION WHEREIN IT IS RELEASABLY LATCHED AND COLLAPSIBLE TO A CONTACT OPEN POSITION WHEN UNLATCHED, SAID CONTACT CONTROLLING MECHANISM COMPRISING AS OFFCENTER TOGGLE MEANS COMPRISING AT LEAST TWO ARMS AND HAVING AN EXPANDED POSITION AND A COLLAPSED POSITION FOR MOVINV SAID CONTACT TO ITS CLOSED POSITION AND OPEN POSITION, RESPECTIVELY, A CONTACT OPENING SPRING CHARGEABLE BY MOVEMENT OF SAID OFFCENTER TOGGLE MEANS TO EXPANDED POSITION AND DISCHARGEABLE TO EFFECT COLLAPSE OF SAID CONTROLLING MECHANISM, AND OVERCENTER TOGGLE MEANS COMPRISING AT LEAST TWO ARMS AND HAVING AN OVERCENTER POSITION WHEREIN IT MOVES SAID OFFCENTER TOGGLE MEANS TO EXPANDED POSITION AND HAVING A COLLAPSED POSITION WHEREIN IT PERMITS COLLAPSE OF SAID OFFCENTER TOGGLE MEANS, AND A TRANSCHARGEABLE BY MOVEMENT OF SAID TRANSMFISSION MECHANISM TO CHARGED POSITION AND DISCHARGEABLE TO EFFECT MOVEMENT OF SAID TRNASMISSION MECHANISM TO SAID OTHER POSITION.
References Cited (Backward Citations)
US2581181A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |