US3137033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for drawing thread-shaped products
Assignee: Akzo NV
•
Filing: 1961-09-29
•
Granted: 1964-06-16
•
Expires: 1981-09-29
Abstract
No abstract record available.
Inventors
- 👤 Maaskant Leendert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:58
CPC Classifications
D; D02; D02J; D02J1/00; D02J1/22; D02J1/227; D02J1/225; Y; Y10; Y10S; Y10S425/00; Y10S425/017
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
AN APPARATUS FOR CONTINUOUSLY DRAWING A RUNNING LENGTH OF A SYNTHETIC FILAMENTARY MATERIAL WHICH COMPRISES A FEEDING DEVICE FOR UNDRAWN FILAMENTARY MATERIAL, A DRAWING DEVICE, AND A DISCHARGE DEVICE FOR DRAWN FILAMENTARY MATERIAL, SAID DRAWING DEVICE BEING LOCATED IN THE PATH OF THE FILAMENTARY MATERIAL PASSING BETWEEN THE SAID FEEDING DEVICE AND SAID DISCHARGE DEVICE AND COMPRISING AT LEAST TWO ESSENTIALLY CYLINDRICAL PINS, SAID PINS BEING ARRANGED SO THAT THE OUTER SURFACES THEREOF ARE CONTACTING AND THE AXES THEREOF ARE SUBSTANTIALLY IN PARALLEL,
Claim 2
Independent Claim
83 words
AN APPARATUS FOR CONTINUOUSLY DRAWING A RUNNING LENGTH OF A SYNTHETIC FILAMENTARY MATERIAL WHICH COMPRISES A FEEDING DEVICE FOR UNDRAWN FILAMENTARY MATERIAL, A DRAWING DEVICE, AND A DISCHARGE DEVICE FOR DRAWN FILAMENTARY MATERIAL, SAID DRAWING DEVICE BEING LOCATED IN THE PATH OF THE FILAMENTARY MATERIAL PASSING BETWEEN THE SAID FEEDING DEVICE AND SAID DISCHARGE DEVICE AND COMPRISING AT LEAST TWO ESSENTIALLY CYLINDRICAL PINS, SAID PINS BEING ARRANGED SO THAT THE OUTER SURFACES THEREOF ARE CONTACTING AND THE AXES THEREOF ARE SUBSTANTIALLY IN PARALLEL,
References Cited (Backward Citations)
US2296394A
Cited
US2369266A
Cited
US2611923A
Cited
US2778058A
Cited
US2859472A
Cited
US2993260A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |