Patent EP0177519A1 successfully refreshed from Google Patents.
US3512067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed regulation of asynchronous three-phase motors
Assignee: MINI IND CONSTRUCTILLOR
•
Filing: 1968-08-19
•
Granted: 1970-05-12
•
Expires: 1988-08-19
Abstract
No abstract record available.
Inventors
- 👤 Ioan Dore Landau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:36
CPC Classifications
H; H02; H02P; H02P27/00; H02P27/04; H02P27/045; H02P27/048; H02P2207/00; H02P2207/01; H02P27/047
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |