Patent US3473039A successfully refreshed from Google Patents.
US3473039A
Expired / Lapsed
US
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Regulated power system
Assignee: Unisys Corp
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Filing: 1966-02-16
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Granted: 1969-10-14
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Expires: 1986-02-16
Abstract
No abstract record available.
Inventors
- 👤 Albert P Fegley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:12
CPC Classifications
H; H02; H02H; H02H7/00; H02H7/10; H02H7/12; H02M; H02M3/00; H02M3/22; H02M3/24; H02M3/28; H02M3/325; H02M3/335; H02M3/338; H02M3/3385; H02M3/3387; H02M3/3388
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3327199A
Cited
US3337787A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |