US2986683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Driving balance-wheels more particularly applicable to timing instruments
Assignee: Leon Hatot SA France
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Filing: 1957-07-23
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Granted: 1961-05-30
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Expires: 1977-07-23
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
2026-10-23 10:35
CPC Classifications
G; G04; G04C; G04C3/00; G04C3/04; G04C3/06; G04C3/065; G04C3/067; G04C3/068
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR501713A
Cited
FR523885A
Cited
FR986536A
Cited
US2652504A
Cited
GB746465A
Cited
FR1092411A
Cited
US2769946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |