US2725309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated non-woven fabric and method of making
Assignee: EIDP Inc
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Filing: 1951-06-18
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Granted: 1955-11-29
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Expires: 1971-06-18
Abstract
No abstract record available.
Inventors
- 👤 Ernest A Rodman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:22
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/54; Y; Y10; Y10S; Y10S525/00; Y10S525/935; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31725; Y10T428/31736; Y10T428/31739; Y10T428/31743; Y10T428/31855; Y10T428/31931; Y10T428/31938; Y10T442/00; Y10T442/20; Y10T442/2369; Y10T442/273
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A COATED NON-WOVEN FLEXIBLE FABRIC THAT MAY BE ELONGATED WITHOUT BREAKING AND HAS A HIGH TEAR STRENGTH WHICH COMPRISES A SUBSTRATE OF COMPACTED STRUCTURAL STAPLE FIBERS IN THE FORM OF A BATT, SAID FIBERS BEING SELECTED FROM THE GROUP CONSISTTING OF COTTON, NYLON, VISCOSE RAYON, CELLOSE ACETATE, POLYETHYLENE TEREPHTHALATE, POLYMERS OF ACTRYLONITRILE AND WOOL, BOUND TOGETHER BY A BINDING MATERIAL DISTRIBUTED THROUGHOUT SAID BATT COMPRISING A LINEAR COPOLYESTER OF (A) AT LEAST ONE POLYESTER OF POLYMETHYLENE GLYCOL AND AN ACYCLIC DICARBOXYLIC ACID OF THE FORMULA
Claim 2
Dependent Claim
85 words
A COATED NON-WOVEN FLEXIBLE FABRIC THAT MAY BE ELONGATED WITHOUT BREAKING AND HAS A HIGH TEAR STRENGTH WHICH COMPRISES A SUBSTRATE OF COMPACTED STRUCTURAL STAPLE FIBERS IN THE FORM OF A BATT, SAID FIBERS BEING SELECTED FROM THE GROUP CONSISTTING OF COTTON, NYLON, VISCOSE RAYON, CELLOSE ACETATE, POLYETHYLENE TEREPHTHALATE, POLYMERS OF ACTRYLONITRILE AND WOOL, BOUND TOGETHER BY A BINDING MATERIAL DISTRIBUTED THROUGHOUT SAID BATT COMPRISING A LINEAR COPOLYESTER OF (A) AT LEAST ONE POLYESTER OF POLYMETHYLENE GLYCOL AND AN ACYCLIC DICARBOXYLIC ACID OF THE FORMULA
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) | 1958-11-28 | 1959-05-30 | 1959-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-28 | 1963-05-30 | 1963-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-28 | 1967-05-30 | 1967-11-29 | $7700.00 | Window Closed / Lapsed |