US3059162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric motor control system
Assignee: Reliance Electric and Engineering Co
•
Filing: 1958-08-21
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Granted: 1962-10-16
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Expires: 1978-08-21
Abstract
No abstract record available.
Inventors
- 👤 Andrew J Humphrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:36
CPC Classifications
H; H02; H02K; H02K17/00; H02K17/02; H02P; H02P23/00; H02P23/08; H02K17/12; H02P25/00; H02P25/02; H02P25/04; H02P21/00; H02P21/06; H02P21/08; H02P21/09
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) | 1965-10-15 | 1966-04-16 | 1966-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-15 | 1970-04-16 | 1970-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-15 | 1974-04-16 | 1974-10-16 | $7700.00 | Window Closed / Lapsed |