US3124628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing twisted
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
•
Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:18
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/08; D02; D02G; D02G1/00; D02G1/02; D02G1/0206; D02G1/0266
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A METHOD OF PRODUCING TWISTED CONTINUOUS FILAMENT YARN HAVING ENHANCED BULK COMPRISING THE STEPS OF EXTRUDING MOLTEN THERMOPLASTIC FILAMENT-FORMING POLYMER INTO PLASTIC FILAMENTS, PASSING SAID FILAMENTS THROUGH A COOLING ZONE TO EFFECT METASTASIS OF THE POLYMER FROM A PLASTIC STATE TO A MORE RIGID STATE, COLLECTING THE RESULTING FILAMENTS AT A SPEED SUFFICIENT TO IMPART A SUBSTANTIAL ATTENUATION THEREOF WHILE SAME ARE BEING COOLED, ROTATING
Claim 2
Independent Claim
65 words
A METHOD OF PRODUCING TWISTED CONTINUOUS FILAMENT YARN HAVING ENHANCED BULK COMPRISING THE STEPS OF EXTRUDING MOLTEN THERMOPLASTIC FILAMENT-FORMING POLYMER INTO PLASTIC FILAMENTS, PASSING SAID FILAMENTS THROUGH A COOLING ZONE TO EFFECT METASTASIS OF THE POLYMER FROM A PLASTIC STATE TO A MORE RIGID STATE, COLLECTING THE RESULTING FILAMENTS AT A SPEED SUFFICIENT TO IMPART A SUBSTANTIAL ATTENUATION THEREOF WHILE SAME ARE BEING COOLED, ROTATING
References Cited (Backward Citations)
US2509845A
Cited
US2708813A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |