Patent US3132297A successfully refreshed from Google Patents.
US3132297A
Expired / Lapsed
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Field circuit control
Assignee: Sundstrand Corp
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Filing: 1961-02-14
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Granted: 1964-05-05
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Expires: 1981-02-14
Abstract
No abstract record available.
Inventors
- 👤 Evans W Erikson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:48
CPC Classifications
H; H02; H02P; H02P9/00; H02P9/10; H02P9/102; H02P2101/00; H02P2101/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
FIELD CIRCUIT CONTROL MEANS FOR A GENERATOR HAVING A ROTOR CONNECTED FOR ENERGIZATION FROM THE ROTOR OF AN EXCITER MOUNTED FOR ROTATION WITH THE GENERATOR ROTOR, COMPRISING: SWITCH MEANS MOUNTED FOR ROTATION WITH SAID ROTORS AND CONNECTED BETWEEN THE ROTOR OF SAID EXCITER AND THE ROTOR OF SAID GENERATOR: AND CONTROL MEANS FOR SAID SWITCH MEANS, RESPONSIVE TO ENERGIZATION OF SAID EXCITER FOR CAUSING SAID SWITCH MEANS TO CONDUCT ONLY WHEN SAID EXCITER IS ENERGIZED.
Claim 2
Dependent Claim
75 words
FIELD CIRCUIT CONTROL MEANS FOR A GENERATOR HAVING A ROTOR CONNECTED FOR ENERGIZATION FROM THE ROTOR OF AN EXCITER MOUNTED FOR ROTATION WITH THE GENERATOR ROTOR, COMPRISING: SWITCH MEANS MOUNTED FOR ROTATION WITH SAID ROTORS AND CONNECTED BETWEEN THE ROTOR OF SAID EXCITER AND THE ROTOR OF SAID GENERATOR: AND CONTROL MEANS FOR SAID SWITCH MEANS, RESPONSIVE TO ENERGIZATION OF SAID EXCITER FOR CAUSING SAID SWITCH MEANS TO CONDUCT ONLY WHEN SAID EXCITER IS ENERGIZED.
References Cited (Backward Citations)
US2974234A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |