US3373338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power conversion system with magnetically forced voltage sharing for the switching devices
Assignee: General Electric Co
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Filing: 1967-02-02
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Granted: 1968-03-12
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Expires: 1987-02-02
Abstract
No abstract record available.
Inventors
- 👤 Philip D Corey
- 👤 Armistead L Wellford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:53
CPC Classifications
H; H02; H02M; H02M1/00; H02M1/08; H02M1/088
Claims Analysis
Total Claims: 0
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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) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |