US2497536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn conditioning
Assignee: EIDP Inc
•
Filing: 1946-06-14
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Granted: 1950-02-14
•
Expires: 1966-06-14
Abstract
No abstract record available.
Inventors
- 👤 Carroll F Chandler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:45
CPC Classifications
D; D06; D06M; D06M7/00; D06M2200/00; D06M2200/40; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2965
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
IN THE PROCESS OF CONDITIONING TEXTILE FILAMENTS OF SYNTHETIC, ORGANIC, FILAMENT-FORMING MATERIAL WHEREIN THE FRESHLY FORMED FILAMENT IS DRESSED WITH AN OIL-CONTAINING, AQUEOUS FINISH COMPOSITION, THE IMPROVEMENT WHICH COMPRISES INCORPORATING IN SAID FINISH COMPOSITION SUFFICIENT POLYVINYL ALCOHOL TO DEPOSIT ON THE FILAMENT FROM 0.005% TO 0.075% BY WEIGHT, BASED ON THE WEIGHT OF THE FILAMENT, OF POLYVINYL ALCOHOL.
Claim 2
Dependent Claim
58 words
IN THE PROCESS OF CONDITIONING TEXTILE FILAMENTS OF SYNTHETIC, ORGANIC, FILAMENT-FORMING MATERIAL WHEREIN THE FRESHLY FORMED FILAMENT IS DRESSED WITH AN OIL-CONTAINING, AQUEOUS FINISH COMPOSITION, THE IMPROVEMENT WHICH COMPRISES INCORPORATING IN SAID FINISH COMPOSITION SUFFICIENT POLYVINYL ALCOHOL TO DEPOSIT ON THE FILAMENT FROM 0.005% TO 0.075% BY WEIGHT, BASED ON THE WEIGHT OF THE FILAMENT, OF POLYVINYL ALCOHOL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |