US2863409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sewing machines
Assignee: GM Pfaff AG
•
Filing: 1955-02-09
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Granted: 1958-12-09
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Expires: 1975-02-09
Abstract
No abstract record available.
Inventors
- 👤 Schumann Herbert
- 👤 Zink Hermann
- 👤 Wenz Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:09
CPC Classifications
D; D05; D05B; D05B19/00; F; F16; F16H; F16H53/00; F16H53/02; F16H53/04; H; H01; H01H; H01H43/00; H01H43/02; H01H43/04; H01H43/06; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2101; Y10T74/2102
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 |