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Patent US3444680A successfully refreshed from Google Patents.
US3444680A
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US
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Apparatus for yarn combining or doubling
Assignee: DITE SOC TEXTILE SAINT ANTOINE ET TEXTILE HALLUINOIS SA SA
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Filing: 1967-10-06
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Granted: 1969-05-20
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Expires: 1987-10-06
Abstract
No abstract record available.
Inventors
- 👤 Gerard Derudder
- 👤 Rodolphe Derudder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:53
CPC Classifications
D; D01; D01H; D01H1/00; D01H1/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE570449A
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US1323594A
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US1211670A
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US1722072A
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US2202290A
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US2353100A
Cited
US2371939A
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US2847817A
Cited
US3165882A
Cited
FR1433447A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |