US2934887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Driving device for clockwork
Assignee: ANCIENNE MANUFACTURE D HORLOGE
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Filing: 1955-03-01
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Granted: 1960-05-03
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Expires: 1975-03-01
Abstract
No abstract record available.
Inventors
- 👤 Keller Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:05
CPC Classifications
G; G04; G04C; G04C10/00; G04C10/02; G04C1/00; G04C1/04; G04C1/06; G04C1/062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |