US3272901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile filament having apparent variable denier
Assignee: Monsanto Co
•
Filing: 1963-10-02
•
Granted: 1966-09-13
•
Expires: 1983-10-02
Abstract
No abstract record available.
Inventors
- 👤 James G Sims
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:17
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/28; D01D5/30; D01D5/32; D01D5/20; D01D5/253; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2929; Y10T428/2931; Y10T428/2973; Y10T428/2976; Y10T428/2978
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
IN A METHOD OF MAKING A TEXTURED CONTINUOUS FILAMENT, THE STEPS COMPRISING IN COMBINATION: (A) EXTRUDING THROUGH A NON-CIRCULAR ORIFICE A CONTINUOUS STREAM OF A MOLTEN MACROSCOPICALLY NONHOMOGENEOUS MIXTURE OF FIRST AND SECOND COMPATIBLE POLYMER COMPONENTS, SAID FIRST COMPONENT HAVING A RELATIVELY HIGH RATIO OF VISCOSITY TO SURFACE TENSION AS COMPARED TO SAID SECOND COMPONENT, SAID MIXTURE BEING SUFFICIENTLY NON-HOMOGENEOUS THAT SUBSTANTIALLY THE ENTIRE STREAM LEAVING SAID ORIFICE AT PARTICULAR TIMES CONSISTS OF SAID FIRST COMPONENT AND SUBSTANTIALLY THE ENTIRE STREAM LEAVING SAID ORIFICE AT OTHER PARTICULAR TIMES CONSISTS OF SAID SECOND COMPONENT AND (B) SOLIDIFYING THE POLYMER STREAM SO EXTRUDED AT A RATE SUCH THAT THE PORTIONS COMPOSED OF SAID SECOND COMPONENT ASSUME A SUBSTANTIALLY CIRCULAR CROSSSECTION WHILE THE PORTIONS COMPOSED SUBSTANTIALLY OF SAID FIRST COMPONENT ASSUME A SUBSTANTIALLY NONCIRCULAR CROSS-SECTION.
Claim 2
Dependent Claim
132 words
IN A METHOD OF MAKING A TEXTURED CONTINUOUS FILAMENT, THE STEPS COMPRISING IN COMBINATION: (A) EXTRUDING THROUGH A NON-CIRCULAR ORIFICE A CONTINUOUS STREAM OF A MOLTEN MACROSCOPICALLY NONHOMOGENEOUS MIXTURE OF FIRST AND SECOND COMPATIBLE POLYMER COMPONENTS, SAID FIRST COMPONENT HAVING A RELATIVELY HIGH RATIO OF VISCOSITY TO SURFACE TENSION AS COMPARED TO SAID SECOND COMPONENT, SAID MIXTURE BEING SUFFICIENTLY NON-HOMOGENEOUS THAT SUBSTANTIALLY THE ENTIRE STREAM LEAVING SAID ORIFICE AT PARTICULAR TIMES CONSISTS OF SAID FIRST COMPONENT AND SUBSTANTIALLY THE ENTIRE STREAM LEAVING SAID ORIFICE AT OTHER PARTICULAR TIMES CONSISTS OF SAID SECOND COMPONENT AND (B) SOLIDIFYING THE POLYMER STREAM SO EXTRUDED AT A RATE SUCH THAT THE PORTIONS COMPOSED OF SAID SECOND COMPONENT ASSUME A SUBSTANTIALLY CIRCULAR CROSSSECTION WHILE THE PORTIONS COMPOSED SUBSTANTIALLY OF SAID FIRST COMPONENT ASSUME A SUBSTANTIALLY NONCIRCULAR CROSS-SECTION.
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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) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |