US2865163A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically-powered time device
Assignee: Elgin National Watch Co
•
Filing: 1952-04-15
•
Granted: 1958-12-23
•
Expires: 1972-04-15
Abstract
No abstract record available.
Inventors
- 👤 George G Ensign
- 👤 Glenn T Soper
- 👤 Lundahl Ossian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:10
CPC Classifications
G; G04; G04C; G04C3/00; G04C3/04; G04C3/06; G04C3/061
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |