US2676128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of preparing nonwoven fabric and product
Assignee: EIDP Inc
•
Filing: 1951-06-18
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Granted: 1954-04-20
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Expires: 1971-06-18
Abstract
No abstract record available.
Inventors
- 👤 Piccard John Augustus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:03
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/54; Y; Y10; Y10S; Y10S8/00; Y10S8/04; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31786; Y10T442/00; Y10T442/50; Y10T442/51; Y10T442/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
THE PROCESS OF PREPARING NON-WOVEN FABRICS WHICH COMPRISES MATTING STAPLE NYLON FIBERS, MIXING THEREWITH A DRY LINEAR COPOLYESTER OF EHTYLENE GLYCOL SEBACATE AND ETHYLENE GLYCOL TEREPHETHALATE, AND SUBJECTING THE ASSEMBLY TO HEAT AND PRESSURE SUFFICIENT TO RENDER THE COPOLYESTER ADHESIVE.
Claim 2
Dependent Claim
40 words
THE PROCESS OF PREPARING NON-WOVEN FABRICS WHICH COMPRISES MATTING STAPLE NYLON FIBERS, MIXING THEREWITH A DRY LINEAR COPOLYESTER OF EHTYLENE GLYCOL SEBACATE AND ETHYLENE GLYCOL TEREPHETHALATE, AND SUBJECTING THE ASSEMBLY TO HEAT AND PRESSURE SUFFICIENT TO RENDER THE COPOLYESTER ADHESIVE.
References Cited (Backward Citations)
US2277049A
Cited
US2357392A
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US2569169A
Cited
US2543101A
Cited
US2544019A
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US2476282A
Cited
GB623309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-19 | 1957-10-19 | 1958-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-19 | 1961-10-19 | 1962-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-19 | 1965-10-19 | 1966-04-20 | $7700.00 | Window Closed / Lapsed |