Patent US2249768A successfully refreshed from Google Patents.
Patent US2651747A successfully refreshed from Google Patents.
US2651747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Instantly reversible motor
Assignee: General Electric Co
•
Filing: 1951-04-25
•
Granted: 1953-09-08
•
Expires: 1971-04-25
Abstract
No abstract record available.
Inventors
- 👤 Wilbur W Warner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:02
CPC Classifications
H; H02; H02P; H02P23/00; H02P23/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2279223A
Cited
US2279210A
Cited
US2285687A
Cited
US2263324A
Cited
US2380270A
Cited
US2407117A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |