US3424115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cut-off device for the threads of double chain stitch sewing machine
Assignee: Union Special GmbH
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Filing: 1967-07-31
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Granted: 1969-01-28
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Expires: 1987-07-31
Abstract
No abstract record available.
Inventors
- 👤 Dieter Schopf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:58
CPC Classifications
D; D05; D05B; D05B65/00; D05B57/00; D05B57/02
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) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |