US2711501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric clock motor control system
Assignee: Motors Liquidation Co
•
Filing: 1953-02-02
•
Granted: 1955-06-21
•
Expires: 1973-02-02
Abstract
No abstract record available.
Inventors
- 👤 Peter R Contant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:21
CPC Classifications
G; G04; G04C; G04C3/00; G04C3/04; G04C3/06; G04C3/063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2183062A
Cited
US1978311A
Cited
US2153775A
Cited
US2357645A
Cited
US2631423A
Cited
US2623699A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-20 | 1958-12-20 | 1959-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-20 | 1962-12-20 | 1963-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-20 | 1966-12-20 | 1967-06-21 | $7700.00 | Window Closed / Lapsed |