US3540080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for the spinning of multicomponent synthetic fibers
Assignee: Inventa AG fuer Forschung und Patentverwertung
•
Filing: 1967-09-21
•
Granted: 1970-11-17
•
Expires: 1987-09-21
Abstract
No abstract record available.
Inventors
- 👤 Gunter Goossens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:52
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/28; D01D5/30; D01D4/00; H; H01; H01B; H01B1/00; Y; Y10; Y10S; Y10S425/00; Y10S425/217
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2589870A
Cited
DE1102339B
Cited
US2834046A
Cited
CH355247A
Cited
US3081490A
Cited
US3121254A
Cited
US3075242A
Cited
US3197812A
Cited
FR1365873A
Cited
US3353211A
Cited
US3407437A
Cited
US3397427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-16 | 1974-05-18 | 1974-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-16 | 1978-05-18 | 1978-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-16 | 1982-05-18 | 1982-11-17 | $7700.00 | Window Closed / Lapsed |