US2715763A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic textile fiber
Assignee: Akzo Nobel UK PLC
•
Filing: 1950-06-27
•
Granted: 1955-08-23
•
Expires: 1970-06-27
Abstract
No abstract record available.
Inventors
- 👤 Robert G Marley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:12
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/04; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2904; Y10T428/2913; Y10T428/298
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
AS AN ARTICLE OF MANUFACTURE, STAPLE FIBER COMPRISING A COPOLYMER CONTAINING FROM ABOUT 70 TO 93 PARTS BY WEIGHT OF VINYL HALIDE AND 30 TO 7 PARTS BY WEIGHT OF VINYL ESTER, SAID STAPLE FIBER BEING CHARACTERIZED BY A DENIER OF THE ORDER OF 5.5, A STRENGTH OF ABOUT 0.8 GRAM PER DENIER, A SHRINKAGE ON HEATING OF 60 TO 90%, AND AN EXTENSIBILITY OF ABOUT 8.8%.
Claim 2
Dependent Claim
67 words
AS AN ARTICLE OF MANUFACTURE, STAPLE FIBER COMPRISING A COPOLYMER CONTAINING FROM ABOUT 70 TO 93 PARTS BY WEIGHT OF VINYL HALIDE AND 30 TO 7 PARTS BY WEIGHT OF VINYL ESTER, SAID STAPLE FIBER BEING CHARACTERIZED BY A DENIER OF THE ORDER OF 5.5, A STRENGTH OF ABOUT 0.8 GRAM PER DENIER, A SHRINKAGE ON HEATING OF 60 TO 90%, AND AN EXTENSIBILITY OF ABOUT 8.8%.
References Cited (Backward Citations)
US2161766A
Cited
US2353270A
Cited
US2278896A
Cited
US2277782A
Cited
US2327460A
Cited
US2354744A
Cited
US2403464A
Cited
US2447140A
Cited
US2517694A
Cited
US2462927A
Cited
US2425086A
Cited
US2579451A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-22 | 1959-02-21 | 1959-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-22 | 1963-02-21 | 1963-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-22 | 1967-02-21 | 1967-08-23 | $7700.00 | Window Closed / Lapsed |