US3351812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Generator protective systems
Assignee: General Electric Co
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Filing: 1963-11-15
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Granted: 1967-11-07
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Expires: 1983-11-15
Abstract
No abstract record available.
Inventors
- 👤 John H Cutler
- 👤 Doux William A Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:43
CPC Classifications
H; H02; H02H; H02H7/00; H02H7/06; H02H7/065; H02P; H02P9/00; H02P9/14; H02P9/26; H02P9/30; H02P2101/00; H02P2101/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
IN A PROTECTION SYSTEM FOR A GENERATOR HAVING A FIELD ENERGIZED UNDER THE CONTROL OF A REGULATOR, NORMALLY CONDUCTING SWITCHING MEANS CONNECTING THE INPUT OF SAID REGULATOR TO THE OUTPUT OF SAID GENERATOR, AND MEANS COUPLED TO SAID SWITCHING MEANS AND RESPONSIVE TO DETECTION OF CURRENT BEING SUPPLIED TO SAID REGULATOR IN EXCESS OF A PREDETERMINED AMOUNT TO RENDER SAID SWITCHING MEANS NONCONDUCTIVE.
Claim 2
Dependent Claim
63 words
IN A PROTECTION SYSTEM FOR A GENERATOR HAVING A FIELD ENERGIZED UNDER THE CONTROL OF A REGULATOR, NORMALLY CONDUCTING SWITCHING MEANS CONNECTING THE INPUT OF SAID REGULATOR TO THE OUTPUT OF SAID GENERATOR, AND MEANS COUPLED TO SAID SWITCHING MEANS AND RESPONSIVE TO DETECTION OF CURRENT BEING SUPPLIED TO SAID REGULATOR IN EXCESS OF A PREDETERMINED AMOUNT TO RENDER SAID SWITCHING MEANS NONCONDUCTIVE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |