Patent US3499164A successfully refreshed from Google Patents.
US3499164A
Expired / Lapsed
US
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Excitation control system for prime mover driven generator
Assignee: Caterpillar Inc
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Filing: 1967-05-05
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Granted: 1970-03-03
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Expires: 1987-05-05
Abstract
No abstract record available.
Inventors
- 👤 Glenn E Ferre
- 👤 James T Huxtable
- 👤 Darrell E Stafford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:51
CPC Classifications
B; B60; B60L; B60L50/00; B60L50/10; B60L2200/00; B60L2200/26; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/70; Y02T10/7072
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1960086A
Cited
US2454778A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |