US2488052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shuttle for sewing machines
Assignee: Mefina SA
•
Filing: 1945-01-26
•
Granted: 1949-11-15
•
Expires: 1965-01-26
Abstract
No abstract record available.
Inventors
- 👤 Robert Ramon Casas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:44
CPC Classifications
D; D05; D05B; D05B57/00; D05B57/08; D05B57/10; D05B57/14; D05B57/143; D05B63/00; D05D; D05D2205/00; D05D2205/12; D05D2205/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US58399A
Cited
US2181951A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-14 | 1953-05-16 | 1953-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-14 | 1957-05-16 | 1957-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-14 | 1961-05-16 | 1961-11-15 | $7700.00 | Window Closed / Lapsed |