US2707764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic motor control system
Assignee: General Electric Co
•
Filing: 1950-07-22
•
Granted: 1955-05-03
•
Expires: 1970-07-22
Abstract
No abstract record available.
Inventors
- 👤 Albert H Mittag
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:56
CPC Classifications
H; H02; H02P; H02P7/00; H02P7/06; H02P7/18; H02P7/30; H02P7/305
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1878764A
Cited
US1926275A
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US2144290A
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US2182666A
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US2341526A
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US2313526A
Cited
GB589341A
Cited
US2414936A
Cited
US2504105A
Cited
US2516568A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-02 | 1958-11-01 | 1959-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-02 | 1962-11-01 | 1963-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-02 | 1966-11-01 | 1967-05-03 | $7700.00 | Window Closed / Lapsed |