US3378746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor control for controlling both armatures and field circuits
Assignee: General Electric Co
•
Filing: 1964-11-20
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Granted: 1968-04-16
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Expires: 1984-11-20
Abstract
No abstract record available.
Inventors
- 👤 Earnest F Weiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:23
CPC Classifications
H; H02; H02P; H02P7/00; H02P7/06; H02P7/18; H02P7/24; H02P7/28; H02P7/298; B; B60; B60L; B60L50/00; B60L50/50; B60L50/52; H02J; H02J7/00; H02J7/14; H02J7/16; H02J7/24; H02J7/2437; H02P3/00; H02P3/06; H02P3/08; H02P3/14; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/64; Y02T10/70; Y02T10/72; Y02T10/80; Y02T10/92; Y10; Y10S; Y10S388/00; Y10S388/907; Y10S388/917; Y10S388/92; Y10S388/923; Y10S388/93
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3222582A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |