US3070739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for solid state controlled rectifier
Assignee: General Electric Co
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Filing: 1960-05-23
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Granted: 1962-12-25
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Expires: 1980-05-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Albert Hansen
- 👤 Jr Fred W Kelley
- 👤 Jr William H Tobin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:03
CPC Classifications
H; H02; H02M; H02M1/00; H02M1/08; H02M1/081; H02M7/00; H02M7/02; H02M7/04; H02M7/12; H02M7/145; H02M7/155; H02M7/1555
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) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |