US3515970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor control system using current diverter
Assignee: General Electric Co
•
Filing: 1967-06-13
•
Granted: 1970-06-02
•
Expires: 1987-06-13
Abstract
No abstract record available.
Inventors
- 👤 Earnest F Weiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:33
CPC Classifications
H; H02; H02P; H02P7/00; H02P7/06; H02P7/18; H02P7/24; H02P7/28; H02P7/298; H02P7/285; H02P7/288; Y; Y10; Y10S; Y10S388/00; Y10S388/90; Y10S388/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2307481A
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US2566898A
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US3388306A
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US3299347A
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US3299338A
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US3257597A
Cited
US3378746A
Cited
US3360705A
Cited
US3384799A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |