US3560318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fibrous pulp containing partially hydrolyzed polyvinyl acetate
Assignee: Union Carbide Corp
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Filing: 1967-12-26
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Granted: 1971-02-02
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Expires: 1987-12-26
Abstract
Abstract A FIBROUS PULP COMPRISING ORIENTED FIBERS OF AT LEAST THREE INCOMPATIBLE THERMOPLASTIC RESINS, SAID FIBERS HAVING FIBRILLATED SURFACES, AND ONE OF SAID THERMOPLASTIC RESINS BEING A PARTIALLY HYDROLYZED POLYVINYL ACETATE.
Inventors
- 👤 Walter A Miller
- 👤 Ivey Allen Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:51
CPC Classifications
D; D21; D21H; D21H5/00; D21H5/12; D21H5/20; Y; Y10; Y10S; Y10S428/00; Y10S428/903; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2967; Y10T428/2973; Y10T428/2978; Y10T428/298
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) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |