Patent US3373338A successfully refreshed from Google Patents.
US3373338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power conversion system with magnetically forced voltage sharing for the switching devices
Assignee: General Electric Co
•
Filing: 1967-02-02
•
Granted: 1968-03-12
•
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
2026-10-25 13:55
CPC Classifications
H; H02; H02M; H02M1/00; H02M1/08; H02M1/088
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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 |