US3733245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite textile fibers having non-water reversible crimp
Assignee: Monsanto Co
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Filing: 1969-11-21
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Granted: 1973-05-15
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Expires: 1989-11-21
Abstract
Abstract A COMPOSITE ACRYLONITRILE FILAMENT HAVING NON-WATER REVERSIBLE CRIMP, STABILITY OF THE CRIMP BEING ACHIEVED BY CONTROLLING THE IONIZABLE GROUPS IN EACH COMPONENT OF THE FILAMENT. THE FILAMENT IS ALSO USEFUL AS A STUFFING MATERIAL.
Inventors
- 👤 T Veazey
- 👤 W Eberhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:28
CPC Classifications
D; D01; D01F; D01F8/00; D01F8/04; D01F8/08; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2929; Y10T428/2931; Y10T428/2933; Y10T428/2964; Y10T428/2967; Y10T428/2973
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-14 | 1976-11-13 | 1977-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-14 | 1980-11-13 | 1981-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-14 | 1984-11-13 | 1985-05-15 | $7700.00 | Window Closed / Lapsed |