US3440986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sewing machine
Assignee: Mefina SA
•
Filing: 1967-10-11
•
Granted: 1969-04-29
•
Expires: 1987-10-11
Abstract
No abstract record available.
Inventors
- 👤 Marcel Fresard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:03
CPC Classifications
D; D05; D05B; D05B77/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1285612A
Cited
US2109612A
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US2294074A
Cited
CH231236A
Cited
US2663607A
Cited
US2678011A
Cited
US2958304A
Cited
US2946302A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |