US3431483A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cycloconverter power circuits
Assignee: General Electric Co
•
Filing: 1966-12-30
•
Granted: 1969-03-04
•
Expires: 1986-12-30
Abstract
No abstract record available.
Inventors
- 👤 David L Lafuze
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:33
CPC Classifications
H; H02; H02M; H02M5/00; H02M5/02; H02M5/04; H02M5/22; H02M5/25; H02M5/27; H02M5/272
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3178630A
Cited
US3152297A
Cited
US3256244A
Cited
FR1339607A
Cited
US3302093A
Cited
US3289070A
Cited
US3350621A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |