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US2730634A
Expired / Lapsed
US
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Electrical balance wheel for time-keepers
Assignee: LIP HORLOGERIE
•
Filing: 1953-07-03
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Granted: 1956-01-10
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Expires: 1973-07-03
Abstract
No abstract record available.
Inventors
- 👤 Saint-Vaulry Paul Dargier De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:32
CPC Classifications
G; G04; G04C; G04C3/00; G04C3/04; G04C3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2598912A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |