US2977908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cloth guide control for sewing and the like machines
Assignee: GM Pfaff AG
•
Filing: 1957-09-09
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Granted: 1961-04-04
•
Expires: 1977-09-09
Abstract
No abstract record available.
Inventors
- 👤 Winz Karl
- 👤 Kristen N A Hedegaard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:59
CPC Classifications
D; D05; D05B; D05B35/00; D05B35/02; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20546
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1288391A
Cited
GB376722A
Cited
US2067038A
Cited
US2759444A
Cited
US2693597A
Cited
US2722184A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |