Patent US2889511A successfully refreshed from Google Patents.
US2889511A
Expired / Lapsed
US
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Mechanical rectifier current and voltage control
Assignee: General Electric Co
•
Filing: 1954-04-19
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Granted: 1959-06-02
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Expires: 1974-04-19
Abstract
No abstract record available.
Inventors
- 👤 Burnice D Bedford
- 👤 Robert W Kuenning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:34
CPC Classifications
H; H02; H02M; H02M1/00; H02M1/20; H02M1/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1669493A
Cited
US2351975A
Cited
US2227937A
Cited
GB506015A
Cited
US2617974A
Cited
US2568140A
Cited
DE848217C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |