Patent US3477010A successfully refreshed from Google Patents.
US3477010A
Expired / Lapsed
US
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Synthetic wave three phase alternating current power supply system
Assignee: Gates LearJet Corp
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Filing: 1967-04-11
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Granted: 1969-11-04
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Expires: 1987-04-11
Abstract
No abstract record available.
Inventors
- 👤 Dan L Ve Nard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:57
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/483; H02M7/49
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1691986A
Cited
US3052833A
Cited
US3214671A
Cited
US3324374A
Cited
US3374414A
Cited
US3304484A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |