Patent US2785368A successfully refreshed from Google Patents.
US2785368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic motor controllers
Assignee: Cutler Hammer Inc
•
Filing: 1954-01-25
•
Granted: 1957-03-12
•
Expires: 1974-01-25
Abstract
No abstract record available.
Inventors
- 👤 William H Elliot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:38
CPC Classifications
H; H02; H02P; H02P7/00; H02P7/06; H02P7/18; H02P7/24; H02P7/26; H02P7/265; Y; Y10; Y10S; Y10S388/00; Y10S388/907; Y10S388/913; Y10S388/914
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2235551A
Cited
US2175009A
Cited
US2167530A
Cited
US2264333A
Cited
US2460064A
Cited
US2559724A
Cited
US2546014A
Cited
US2630555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |