US2913365A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fibrous webs and method and apparatus for making same
Assignee: C H Dexter & Sons Inc
•
Filing: 1954-12-01
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Granted: 1959-11-17
•
Expires: 1974-12-01
Abstract
No abstract record available.
Inventors
- 👤 Fay H Osborne
- 👤 Jr Michael F Kilty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:27
CPC Classifications
D; D04; D04H; D04H1/00; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/24; D21H23/26; D21H23/28; D21H5/00; D21H5/26; D21H5/2678; D21H5/2685; Y; Y10; Y10S; Y10S162/00; Y10S162/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A METHOD OF FORMING A SOFT, POROUS, NON-WOVEN WEB CONTAINING TEXTILE FIBERS HAVING A FIBER LENGTH IN THE RANGE OF ONE-HALF TO FOUR INCHES AND PAPER-MAKING FIBERS HAVING A FIBER LENGTH NOT EXCEEDING THREE-EIGHTS INCH COMPRISING DEPOSITING THE PAPER-MAKING FIBERS ON A WIRE SCREEN FROM A DILUTE AQUEOUS DISPERSION THEREOF TO FORM A POROUS WET WEB OF SAID FIBERS, AND WHILE SAID WEB IS ON THE SCREEN IN THE FORM OF A POROUS WET WEB PASSING THERETHROUGH AN AIR BLAST CONTAINING THE TEXTILE FIBERS INDIVIDUALLY DISPERSED THEREIN TO CAUSE THE TEXTILE FIBERS TO DEPOSIT IN WEB.
Claim 2
Independent Claim
96 words
A METHOD OF FORMING A SOFT, POROUS, NON-WOVEN WEB CONTAINING TEXTILE FIBERS HAVING A FIBER LENGTH IN THE RANGE OF ONE-HALF TO FOUR INCHES AND PAPER-MAKING FIBERS HAVING A FIBER LENGTH NOT EXCEEDING THREE-EIGHTS INCH COMPRISING DEPOSITING THE PAPER-MAKING FIBERS ON A WIRE SCREEN FROM A DILUTE AQUEOUS DISPERSION THEREOF TO FORM A POROUS WET WEB OF SAID FIBERS, AND WHILE SAID WEB IS ON THE SCREEN IN THE FORM OF A POROUS WET WEB PASSING THERETHROUGH AN AIR BLAST CONTAINING THE TEXTILE FIBERS INDIVIDUALLY DISPERSED THEREIN TO CAUSE THE TEXTILE FIBERS TO DEPOSIT IN WEB.
References Cited (Backward Citations)
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |