US3444680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for yarn combining or doubling
Assignee: DITE SOC TEXTILE SAINT ANTOINE ET TEXTILE HALLUINOIS SA SA
•
Filing: 1967-10-06
•
Granted: 1969-05-20
•
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 02:03
CPC Classifications
D; D01; D01H; D01H1/00; D01H1/003
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
BE570449A
Cited
US1323594A
Cited
US1211670A
Cited
US1722072A
Cited
US2202290A
Cited
US2353100A
Cited
US2371939A
Cited
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 |