US2962643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Time-piece
Assignee: Omega Louis Brandt and Frere SA
•
Filing: 1956-04-16
•
Granted: 1960-11-29
•
Expires: 1976-04-16
Abstract
No abstract record available.
Inventors
- 👤 Alexis A Kwartiroff
- 👤 Eugene A Patkevitch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:28
CPC Classifications
G; G04; G04C; G04C3/00; G04C3/04; G04C3/06; G04C3/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1965763A
Cited
US2125638A
Cited
US2472249A
Cited
US2671864A
Cited
US2745012A
Cited
FR1102373A
Cited
FR1090564A
Cited
FR1092411A
Cited
FR1117873A
Cited
US2831114A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |