US2948103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of
Assignee: —
•
Filing: —
•
Granted: 1960-08-09
•
Expires: 1977-08-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:52
CPC Classifications
D; D06; D06M; D06M7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A PROCESS FOR TRANSFORMING CONTINUOUS FILAMENT ARTIFICIAL YARN INTO INTERRUPTED FILAMENT YARNS, WHICH COMPRISES SUBMITTING THE CONTINOUS FILAMENT TO A FIRST TEARING, CUTTING, ABRADING OR ROUGHENING FOR PRODUCTION OF BROKEN FILAMENT YARN WHILE TWISTING, COLLECTING THE YARN IN CAKES, IMMERSING THE CAKES INTO A BATH FORMED OF A SOLUTION OF SULFONATION PRODUCTS SELECTED FROM THE GROUP CONSISTING OF VEGETABLE OILS, HIGHER FATTY ACIDS, ANIMAL FAT AND HIGHER FATTY ALCOHOLS, SAID SOLUTION CONTAINING IN DISPENSION AN OIL SELECTED FROM THE GROUP INCLUDING MINERAL OILS AND VEGETABLE OILS, SUBMITTING THE CAKES COMING FROM THE BATH TO CENTRIFUGATION AND THE FURTHER SUBMITTING THE YARN TO A SECOND TEARING, CUTTING, ABRADING OR ROUGHENING FOR THE PRODUCTION OF BROKEN FILAMENT YARN, WITH TWISTING.
Claim 2
Dependent Claim
118 words
A PROCESS FOR TRANSFORMING CONTINUOUS FILAMENT ARTIFICIAL YARN INTO INTERRUPTED FILAMENT YARNS, WHICH COMPRISES SUBMITTING THE CONTINOUS FILAMENT TO A FIRST TEARING, CUTTING, ABRADING OR ROUGHENING FOR PRODUCTION OF BROKEN FILAMENT YARN WHILE TWISTING, COLLECTING THE YARN IN CAKES, IMMERSING THE CAKES INTO A BATH FORMED OF A SOLUTION OF SULFONATION PRODUCTS SELECTED FROM THE GROUP CONSISTING OF VEGETABLE OILS, HIGHER FATTY ACIDS, ANIMAL FAT AND HIGHER FATTY ALCOHOLS, SAID SOLUTION CONTAINING IN DISPENSION AN OIL SELECTED FROM THE GROUP INCLUDING MINERAL OILS AND VEGETABLE OILS, SUBMITTING THE CAKES COMING FROM THE BATH TO CENTRIFUGATION AND THE FURTHER SUBMITTING THE YARN TO A SECOND TEARING, CUTTING, ABRADING OR ROUGHENING FOR THE PRODUCTION OF BROKEN FILAMENT YARN, WITH TWISTING.
References Cited (Backward Citations)
US2077441A
Cited
US2244333A
Cited
US2067175A
Cited
US2077078A
Cited
GB452229A
Cited
US2151711A
Cited
US2385894A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |