US2536092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for wet spinning of artificial filaments
Assignee: Akzo Nobel UK PLC
•
Filing: 1946-09-21
•
Granted: 1951-01-02
•
Expires: 1966-09-21
Abstract
No abstract record available.
Inventors
- 👤 Ingham S Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:42
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
106 words
APPARATUS FOR SPINNING ARTIFICIAL FILAMENTS COMPRISING A CONTAINER FOR A COAGULATING LIQUID, A SPINNERET IN THE CONTAINER, A PLURALITY OF ORIFICES IN THE FACE OF THE SPINNERET, MEANS FOR INTRODUCING COAGULATING LIQUID INTO THE CONTAINER, SAID MEANS COMPRISING A CONDUIT HAVING ITS DISCHARGE OUTLET DISPOSED ADJACENT TO ONE SIDE ONLY OF THE SPINNERET AND TO DIRECT A STREAM OF THE LIQUID TRANSVERSELY TO THE ENTIRE FACE OF THE SPINNERET, DEFLECTING MEANS DISPOSED LATERALLY TO THE SPINNERET OPPOSITE THE POSITION OF INTRODUCTION OF THE LIQUID TO THE ZONE IN FRONT OF THE SPINNERET, AND A STRAIGHT CONDUIT HAVING ITS CHANNEL IN APPROXIMATE ALIGNMENT WIH THE SPINNERET FACE.
References Cited (Backward Citations)
FR431681A
Cited
US1676334A
Cited
FR654817A
Cited
GB394049A
Cited
FR822868A
Cited
US2193316A
Cited
US2241304A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-01 | 1954-07-03 | 1955-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-01 | 1958-07-03 | 1959-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-01 | 1962-07-03 | 1963-01-02 | $7700.00 | Window Closed / Lapsed |