US2949386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-woven fabrics
Assignee: Interchemical Corp
•
Filing: 1958-11-03
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Granted: 1960-08-16
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Expires: 1978-11-03
Abstract
No abstract record available.
Inventors
- 👤 Norman S Cassel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:45
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/487; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31935; Y10T442/00; Y10T442/20; Y10T442/2352; Y10T442/2549
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
66 words
THE PROCESS FOR MAKING NON-WOVEN FABRIC WHICH CONSISTS OF (1) UNIFORMLY APPLYING TO A WEB OF OVERLAPPING INTERSECTING FIBERS 5 TO 200% BY WEIGHT OF CROSSLINKABLE BINDER CONSISTING OF 95 TO 99 PARTS OF A CROSSLINKABLE LINER ADDITION POLYMER AND 1 TO 5 PARTS OF AN IMINE TO CAUSE CROSS-LINKING AGENT (2) HEATING THE WEB AND BINDER TO CAUSE CROSS-LINKING OF THE POLYMER AND CROSSLINKING AGENT.
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) | 1963-08-16 | 1964-02-15 | 1964-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-16 | 1968-02-15 | 1968-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-16 | 1972-02-15 | 1972-08-16 | $7700.00 | Window Closed / Lapsed |