Patent US3159731A successfully refreshed from Google Patents.
US3159731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switch with plural actuator devices having improved overtravel takeup for plural electrical interrupters
Assignee: Joslyn Manufacturing and Supply Co
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Filing: 1961-02-07
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Granted: 1964-12-01
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Expires: 1981-02-07
Abstract
No abstract record available.
Inventors
- 👤 Elmer L Luehring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:00
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/60; H01H33/66; H01H33/666
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
IN A HIGH VOLTAGE SWITCH OF THE TYPE HAVING MECHANICALLY SUBSTANTIALLY PERMANENTLY TANDEM CONNECTED ELECTRIC CIRCUIT INTERRUPTERS, THE COMBINATION OF ROD MEANS FOR OPERATING THE INTERRUPTERS SUBSTANTIALLY IN UNISON, A PLURALITY OF CROSS BARS AT LEAST ONE FOR EACH INTERRUPTER AND ARRANGED TO BE OPERATED BY SAID ROD MEANS, AND FOR EACH INTERRUPTER AT LEAST ONE HYDRAULIC MEANS FOR OPERATING AS
Claim 2
Dependent Claim
61 words
IN A HIGH VOLTAGE SWITCH OF THE TYPE HAVING MECHANICALLY SUBSTANTIALLY PERMANENTLY TANDEM CONNECTED ELECTRIC CIRCUIT INTERRUPTERS, THE COMBINATION OF ROD MEANS FOR OPERATING THE INTERRUPTERS SUBSTANTIALLY IN UNISON, A PLURALITY OF CROSS BARS AT LEAST ONE FOR EACH INTERRUPTER AND ARRANGED TO BE OPERATED BY SAID ROD MEANS, AND FOR EACH INTERRUPTER AT LEAST ONE HYDRAULIC MEANS FOR OPERATING AS
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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) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |