Patent US3431722A successfully refreshed from Google Patents.
US3431722A
Expired / Lapsed
US
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Timepiece case
Assignee: SINDACE SA
•
Filing: 1967-07-27
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Granted: 1969-03-11
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Expires: 1987-07-27
Abstract
No abstract record available.
Inventors
- 👤 Peter Haas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:50
CPC Classifications
G; G04; G04B; G04B19/00; G04B19/28; G04B47/00; G04B47/06; G04B47/061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |