US3304577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spinnerette disk for extrusion of synthetic polymer fibers
Assignee: Individual
•
Filing: 1965-06-18
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Granted: 1967-02-21
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Expires: 1985-06-18
Abstract
No abstract record available.
Inventors
- 👤 Lambert H Mott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:49
CPC Classifications
D; D01; D01D; D01D4/00; D01D4/02; D01D4/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A SPINNERETTE DISK FOR THE EXTRUSION OF SYNTHETIC POLYMER FIBERS THERETHROUGH, SAID DISK BEING OF METAL, SAID DISK HAVING A DOWNSTREAM SIDE, SAID DISK CONTAINING A PLURALITY OF EXTRUSION ORIFICES, AND A POROUS METAL LAYER ON THE DOWNSTREAM SIDE OF SAID DISK, SAID POROUS METAL LAYER CONTAINING A SUBSTANTIALLY CONICAL OPENING DISPOSED ABOUT EACH EXTRUSION ORIFICE A SLIGHT DISTANCE AWAY FROM EACH EXTRUSION ORIFICE, SAID POROUS METAL LAYER CONTAINING A LUBRICANT PREVENTING THE STICKING OF EXTRUDED POLYMER FIBERS TO SAID SPINNERETTE DISK AT LEAST WITHIN SAID OPENINGS.
Claim 2
Dependent Claim
87 words
A SPINNERETTE DISK FOR THE EXTRUSION OF SYNTHETIC POLYMER FIBERS THERETHROUGH, SAID DISK BEING OF METAL, SAID DISK HAVING A DOWNSTREAM SIDE, SAID DISK CONTAINING A PLURALITY OF EXTRUSION ORIFICES, AND A POROUS METAL LAYER ON THE DOWNSTREAM SIDE OF SAID DISK, SAID POROUS METAL LAYER CONTAINING A SUBSTANTIALLY CONICAL OPENING DISPOSED ABOUT EACH EXTRUSION ORIFICE A SLIGHT DISTANCE AWAY FROM EACH EXTRUSION ORIFICE, SAID POROUS METAL LAYER CONTAINING A LUBRICANT PREVENTING THE STICKING OF EXTRUDED POLYMER FIBERS TO SAID SPINNERETTE DISK AT LEAST WITHIN SAID OPENINGS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |