US3517291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric motor speed control
Assignee: Bendix Corp
•
Filing: 1967-05-29
•
Granted: 1970-06-23
•
Expires: 1987-05-29
Abstract
No abstract record available.
Inventors
- 👤 Winford B Carruth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:11
CPC Classifications
H; H02; H02P; H02P7/00; H02P7/06; H02P7/18; H02P7/24; H02P7/28; H02P7/285; H02P7/288; H02P7/2885
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2751549A
Cited
US2975349A
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US2991407A
Cited
US3231808A
Cited
US3368134A
Cited
US3396323A
Cited
US3393353A
Cited
US3422331A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |