Patent US3561045A successfully refreshed from Google Patents.
US3561045A
Expired / Lapsed
US
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Apparatus for manufacture of filaments of varying denier
Assignee: Akzo Nobel UK PLC
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Filing: 1969-06-27
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Granted: 1971-02-09
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Expires: 1989-06-27
Abstract
Abstract A FILAMENT-DRAWING APPARATUS FOR IMPARTING TO A THERMOPLASTIC FILAMENT A LENGTHWISE VARIATION OF DENIER, COMPRISING A FEED ROLL, A DRAW ROLL, A MATT CIRCUFERENTIAL BAND AND A MIRROR-FINISH CIRCUMFERENTIAL BAND ON THE CYLINDRICAL SURFACE OF THE DRAW ROLL, A SPEARATOR ROLL HAVING A MATT CLYINDRICAL SURFACE AND A FILAMENT DEFLECTOR FOR EXAMPLE A ROTARY CAM, ARRANGED TO DEFLECT INTERMITTENTLY THE FILAMENT FROM CONTACT WITH ONE BAND INTO CONTACT WITH THE OTHER BAND.
Inventors
- 👤 Peter Heffernan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:58
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/20; D02; D02J; D02J1/00; D02J1/22; D02J1/225; D02J1/226
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |