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US2988868A
Expired / Lapsed
US
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Electronic time-measuring arrangement
Assignee: Leon Hatot SA France
•
Filing: 1956-02-21
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Granted: 1961-06-20
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Expires: 1976-02-21
Abstract
No abstract record available.
Inventors
- 👤 Lavet Marius Jean
- 👤 Dietsch Jacques Jean Gustave
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:34
CPC Classifications
G; G04; G04C; G04C1/00; G04C1/04; G04C1/06; G04C1/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1825382A
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US1719805A
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US1851586A
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US2266037A
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US2492435A
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US2513913A
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US2743614A
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FR1090564A
Cited
FR1092411A
Cited
US2814769A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |