US3423664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for suppressing commutation transients in a controlled rectifier converter for high-voltage electric power applications
Assignee: General Electric Co
•
Filing: 1967-05-24
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Granted: 1969-01-21
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Expires: 1987-05-24
Abstract
No abstract record available.
Inventors
- 👤 Clyde G Dewey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:06
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/66; H02M7/68; H02M7/72; H02M7/75; H02M7/757; H02M7/7575; Y; Y02; Y02E; Y02E60/00; Y02E60/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2834932A
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US2982904A
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US3122695A
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US3158799A
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US3100268A
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US3278827A
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US3287576A
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US3351841A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |