US3099067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic fibers
Assignee: Union Carbide Corp
•
Filing: 1959-11-30
•
Granted: 1963-07-30
•
Expires: 1979-11-30
Abstract
No abstract record available.
Inventors
- 👤 Charles N Merriam
- 👤 Walter A Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:49
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/28; D01D5/30; D01D5/36; Y; Y10; Y10S; Y10S260/00; Y10S260/32; Y10S264/00; Y10S264/47; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2973; Y10T428/298
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
AS AN ARTICLE OF MANUFACTURE, ULTRA-FINE FIBERS OF A NORMALLY SOLID SYNTHETIC THERMOPLASTIC RESIN MATERIAL, SAID FIBERS BEING MOLECULARY ORIENTED IN A LONGITUDINAL DIRECTION IN AN AMOUNT OF BETWEEN 200 PERCENT AND 2000 PERCENT, HAVING AVERAGE DIAMETERS IN THE RANGE OF FROM 0.5 TO 1.0 MICRON AND HAVING UNIFORM SUBSTANTIALLY CIRCULAR CROSS-SECTIONAL AEAS THROUGHOUT THEIR ENTIRE LENGTH.
Claim 2
Dependent Claim
57 words
AS AN ARTICLE OF MANUFACTURE, ULTRA-FINE FIBERS OF A NORMALLY SOLID SYNTHETIC THERMOPLASTIC RESIN MATERIAL, SAID FIBERS BEING MOLECULARY ORIENTED IN A LONGITUDINAL DIRECTION IN AN AMOUNT OF BETWEEN 200 PERCENT AND 2000 PERCENT, HAVING AVERAGE DIAMETERS IN THE RANGE OF FROM 0.5 TO 1.0 MICRON AND HAVING UNIFORM SUBSTANTIALLY CIRCULAR CROSS-SECTIONAL AEAS THROUGHOUT THEIR ENTIRE LENGTH.
References Cited (Backward Citations)
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US2385358A
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US2497046A
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US2477000A
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Cited
US2765247A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |