Patent FR1235057A successfully refreshed from Google Patents.
US2746236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of threads
Assignee: Individual
•
Filing: 1951-05-16
•
Granted: 1956-05-22
•
Expires: 1971-05-16
Abstract
No abstract record available.
Inventors
- 👤 Kufner Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:33
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/22; D02G3/36; D02G3/367
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1853543A
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US2313058A
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US2379881A
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US2459620A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |