Patent US2686397A successfully refreshed from Google Patents.
US2686397A
Expired / Lapsed
US
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Ball bearing for winding rockers in self-winding watch and clock movements
Assignee: Roulements A Billes Miniatures S A
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Filing: 1949-05-02
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Granted: 1954-08-17
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Expires: 1969-05-02
Abstract
No abstract record available.
Inventors
- 👤 Annen Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:01
CPC Classifications
G; G04; G04B; G04B31/00; G04B31/004; G04B31/012; G04B31/0123; F; F16; F16C; F16C25/00; F16C25/06; G04B5/00; G04B5/02; G04B5/18; G04B5/19
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US651376A
Cited
FR363128A
Cited
US1782622A
Cited
CH143765A
Cited
US1914015A
Cited
US1923211A
Cited
FR746608A
Cited
CH170501A
Cited
CH247037A
Cited
CH247269A
Cited
CH249416A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-16 | 1958-02-15 | 1958-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-16 | 1962-02-15 | 1962-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-16 | 1966-02-15 | 1966-08-17 | $7700.00 | Window Closed / Lapsed |