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US3517500A
Expired / Lapsed
US
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Frictional bearing arrangement for the winding weight in a self-winding watch
Assignee: ETA SA Manufacture Horlogere Suisse
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Filing: 1969-01-14
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Granted: 1970-06-30
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Expires: 1989-01-14
Abstract
No abstract record available.
Inventors
- 👤 Urs Giger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:47
CPC Classifications
G; G04; G04B; G04B5/00; G04B5/02; G04B5/18; G04B5/19
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR403719A
Cited
US1165594A
Cited
US2620619A
Cited
US2686397A
Cited
US2670591A
Cited
US2948573A
Cited
CH378230A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |