US2767274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Starting winding mechanism for electric motor
Assignee: Individual
•
Filing: 1953-09-02
•
Granted: 1956-10-16
•
Expires: 1973-09-02
Abstract
No abstract record available.
Inventors
- 👤 George D Ritter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:21
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/06; H01H35/10; H02; H02K; H02K11/00; H02K11/20; H02K11/21; H02K11/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2205787A
Cited
US2389381A
Cited
US2406430A
Cited
US2528845A
Cited
US2586734A
Cited
US2598440A
Cited
US2683844A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |