US2863408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contour sewing machines
Assignee: Singer Co
•
Filing: 1956-03-05
•
Granted: 1958-12-09
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Expires: 1976-03-05
Abstract
No abstract record available.
Inventors
- 👤 George J Abel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:33
CPC Classifications
D; D05; D05B; D05B39/00; D05B73/00; D05B73/04; D05B73/12; D05D; D05D2209/00; D05D2209/04; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/303416; Y10T409/303696
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |