US2662367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Individually corrected secondary clock
Assignee: STANDARD ELECTRIC TIME CO
•
Filing: 1953-07-24
•
Granted: 1953-12-15
•
Expires: 1973-07-24
Abstract
No abstract record available.
Inventors
- 👤 Jr George L Riggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:01
CPC Classifications
G; G04; G04C; G04C11/00; G04C11/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1723964A
Cited
US1989605A
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US2058609A
Cited
US2198632A
Cited
US2274221A
Cited
US2447798A
Cited
US2555408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |