US3391048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Entangled nonwoven web product from parallel laid filamentary tows
Assignee: Eastman Kodak Co
•
Filing: 1964-01-10
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Granted: 1968-07-02
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Expires: 1984-01-10
Abstract
No abstract record available.
Inventors
- 👤 Richard F Dyer
- 👤 Gallagher Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:06
CPC Classifications
D; D04; D04H; D04H3/00; D04H3/08; D04H3/10; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23986; Y10T428/24; Y10T428/24058; Y10T428/24074; Y10T428/24083; Y10T428/24355; Y10T428/24446; Y10T442/00; Y10T442/60; Y10T442/608; Y10T442/627; Y10T442/643
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
109 words
A POROUS, BULKY, FLEXIBLE, HIGHLY UNIFORM, SELF-SUPPORTING, NONWOVEN PRODUCT COMPRISING SUBSTANTIALLY PARALLEL LAID CONTINUOUS FILAMENTARY TOW MATERIALS OF SYNTHETIC ORGANIC POLYMER; THE CONTINUOUS INDIVIDUAL FIBERS OF SAID FILAMENTARY TWO MATERIALS BEING RANDOMLY ENTANGLED AT A PLURALITY OF POINTS THROUGHOUT THE THREE DIMENSIONS OF THE NONWOVEN PRODUCT; SAID CONTINUOUS NDIVIDUAL FIBERS BEING SUBSTANTIALLY SEPARATED FROM AND IN PARALLELISM WITH ONE ANOTHER ALONG THE LONGITUDINAL AXES OF THE NONWOVEN PRODUCT IN THE AREA BETWEEN SAID ENTANGLED POINTS; THE SURFACES OF THE NONWOVEN PRODUCT BEING COMPOSED ESSENTIALLY OF SAID CONTINUOUS INDIVIDUAL FIBERS; THE NONWOVENPRODUCT BEING FURTHER CHARACTERIZED IN THAT IT HAS A HIGH TRANSVERSE STRENGTH AND UNIFORM DENSITY PER INCH OF WIDTH.
Claim 2
Dependent Claim
109 words
A POROUS, BULKY, FLEXIBLE, HIGHLY UNIFORM, SELF-SUPPORTING, NONWOVEN PRODUCT COMPRISING SUBSTANTIALLY PARALLEL LAID CONTINUOUS FILAMENTARY TOW MATERIALS OF SYNTHETIC ORGANIC POLYMER; THE CONTINUOUS INDIVIDUAL FIBERS OF SAID FILAMENTARY TWO MATERIALS BEING RANDOMLY ENTANGLED AT A PLURALITY OF POINTS THROUGHOUT THE THREE DIMENSIONS OF THE NONWOVEN PRODUCT; SAID CONTINUOUS NDIVIDUAL FIBERS BEING SUBSTANTIALLY SEPARATED FROM AND IN PARALLELISM WITH ONE ANOTHER ALONG THE LONGITUDINAL AXES OF THE NONWOVEN PRODUCT IN THE AREA BETWEEN SAID ENTANGLED POINTS; THE SURFACES OF THE NONWOVEN PRODUCT BEING COMPOSED ESSENTIALLY OF SAID CONTINUOUS INDIVIDUAL FIBERS; THE NONWOVENPRODUCT BEING FURTHER CHARACTERIZED IN THAT IT HAS A HIGH TRANSVERSE STRENGTH AND UNIFORM DENSITY PER INCH OF WIDTH.
Claim 3
Dependent Claim
57 words
THE NONWOVEN PRODUCT OF CLAIM 1 WHEREIN THE FILAMENTARY TOW MATERIALS ARE LAMINATED UPON ONE ANOTHER SO THAT THE FIBER AXIS OF ONE TOW MATERIAL IS AT AN ANGLE TO THE FIBER AXIS OF THE OTHER TWO MATERIAL WITH THE CONTINUOUS INDIVIDUAL FIBERS OF EACH TOW MATERIAL BEING SUBSTANTIALLY SEPARATED FROM AND IN PARALLELISM WITH ONE ANOTHER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |