US2866256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wool-like artificial fibers
Assignee: Rohm and Haas Co
•
Filing: 1956-04-05
•
Granted: 1958-12-30
•
Expires: 1976-04-05
Abstract
No abstract record available.
Inventors
- 👤 Nathaniel A Matlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:25
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/20; Y; Y10; Y10T; Y10T24/00; Y10T24/27; Y10T24/2767; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2973; Y10T428/2976; Y10T428/298
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
AN ARTICLE OF MANUFACTURE COMPRISING AN ARTIFICIAL FIBER FORMED OF A WATER-INSOLUBLE SYNTHETIC POLYMERIC MATERIAL, SAID FIBER HAVING A SIZE OF 1 TO 100 DENIER AND COMPRISING A MULTIPLICITY OF ADJOINED SMALL SECTIONS EXTENDING LONGITUDINALLY OF THE FIBER AND HAVING THEIR OUTER SURFACES ESSENTIALLY UNIDIRECTIONALLY TAPERED BETWEEN THEIR JUNCTIONS, THE LENGTH OF THE INDIVIDUAL SECTIONS BEING FROM 0.001 TO 2 MM.
Claim 2
Dependent Claim
61 words
AN ARTICLE OF MANUFACTURE COMPRISING AN ARTIFICIAL FIBER FORMED OF A WATER-INSOLUBLE SYNTHETIC POLYMERIC MATERIAL, SAID FIBER HAVING A SIZE OF 1 TO 100 DENIER AND COMPRISING A MULTIPLICITY OF ADJOINED SMALL SECTIONS EXTENDING LONGITUDINALLY OF THE FIBER AND HAVING THEIR OUTER SURFACES ESSENTIALLY UNIDIRECTIONALLY TAPERED BETWEEN THEIR JUNCTIONS, THE LENGTH OF THE INDIVIDUAL SECTIONS BEING FROM 0.001 TO 2 MM.
References Cited (Backward Citations)
GB300221A
Cited
GB299291A
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US2549179A
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US2374744A
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US2410035A
Cited
US2434533A
Cited
US2764468A
Cited
US2736946A
Cited
US2729539A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-29 | 1962-06-30 | 1962-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-29 | 1966-06-30 | 1966-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-29 | 1970-06-30 | 1970-12-30 | $7700.00 | Window Closed / Lapsed |