US3715419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drag stabilized low viscosity melt spinning process
Assignee: Monsanto Co
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Filing: 1969-10-27
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Granted: 1973-02-06
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Expires: 1989-10-27
Abstract
Abstract AN IMPROVED STABILIZATION PROCESS FOR FORMING FILAMENTS FROM STREAMING LOW VISCOSITY MELT MATERIALS BY SIMULTANEOUSLY PREVENTING DISRUPTIONS IN THE FRAGILE, INCOMPLETELY SOLIDIFIED PORTION OF THE STREAM DIE TO THE DRAG INTERACTION BETWEEN THE STABILIZER STREAM AND SURROUNDING GASEOUS ATMOSPHERE AND UTILIZING THE DRAG TO FORM A HELICAL-LIKE CONFIGURATION IN THE SOLIDIFIED PORTION OF THE STREAM WHICH PERMITS APPLYING SUFFICIENT TENSION THERETO TO ENABLE FILAMENT TAKE-UP. D R A W I N G
Inventors
- 👤 W Privott
- 👤 R Cunningham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:34
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/08; B; B22; B22D; B22D11/00; B22D11/005; Y; Y10; Y10S; Y10S264/00; Y10S264/19
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-06 | 1976-08-07 | 1977-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-06 | 1980-08-07 | 1981-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-06 | 1984-08-07 | 1985-02-06 | $7700.00 | Window Closed / Lapsed |