Patent US2670318A successfully refreshed from Google Patents.
US3112552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Needled fabric structure
Assignee: Chatham Manufacturing Co
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Filing: 1962-07-03
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Granted: 1963-12-03
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Expires: 1982-07-03
Abstract
No abstract record available.
Inventors
- 👤 Ii Alexander M Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:45
CPC Classifications
D; D04; D04H; D04H18/00; D04H1/00; D04H1/40; D04H1/44; D04H1/46; D04H18/02; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/2395; Y10T428/24; Y10T428/24132; Y10T428/24174
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
220 words
A FABRIC STRUCTURE CHARACTERIZED BY HAVING OUTER SURFACES CAPABLE OF UNIFORM NAPPING, AND BY HAVING A HIGH TENSILE AND SEPARATION STRENGTH AFTER NAPPING COMPRISING: A NEEDLE BATT HAVING FIBERS THEREIN COHERENTLY ORIENTED THROUGHOUT THE BATT INTO A PLURALITY OF ROWS OF FIBERS, THE ROWS OF FIBERS LYING IN PARALLEL PLANES AND EACH ROW EXTENDING LENGTHWISE OF THE BATT AND BEING SUBSTANTIALLY CONTIGUOUS WITH AN ADJACENT ROW, EACH ROW COMPRISING A CONTINUOUS CHAIN ENTANGLEMENT OF FIBERS IN ITS PLANE THROUGHOUT THE LENGTH OF THE SAME, THE CONTINUOUS CHAIN ENTANGLEMENT OF FIBERS IN EACH ROW BEING FORMED SUCCESSIVELY THROUGHOUT THE LENGTH OF THE ROW BY SOME OF THE FIBERS IN THE ROW EXTENDING FROM ONE SURFACE OF THE BATT TO THE OTHER SURFACE AND BEING ENTANGLED WITH SOME OF THE FIBERS FROM THE OTHER SURFACE IN THE SAME ROW AND THEN RETURNED TOWARD THE ONE SURFACE WITH THE SOME OF THE FIBERS OF THE OTHER SURFACE, AND THEN THE SOME OF THE FIBERS FROM THE OTHER SURFACE BEING ENTANGLED WITH OTHER FIBERS IN THE ONE SURFACE WITH SOME BEING RETURNED TOWARD THE OTHER SURFACE WITH THE SAME AND SO FORTH SUCCESSIVELY THROUGHOUT THE LENGTH OF THE ROW; AND SOME OF THE FIBERS IN EACH ROW BETWEEN THE SURFACES BEING ENTANGLED WITH OTHER FIBERS IN THE ROW AND WITH FIBERS IN ADJACENT ROWS.
Claim 2
Dependent Claim
220 words
A FABRIC STRUCTURE CHARACTERIZED BY HAVING OUTER SURFACES CAPABLE OF UNIFORM NAPPING, AND BY HAVING A HIGH TENSILE AND SEPARATION STRENGTH AFTER NAPPING COMPRISING: A NEEDLE BATT HAVING FIBERS THEREIN COHERENTLY ORIENTED THROUGHOUT THE BATT INTO A PLURALITY OF ROWS OF FIBERS, THE ROWS OF FIBERS LYING IN PARALLEL PLANES AND EACH ROW EXTENDING LENGTHWISE OF THE BATT AND BEING SUBSTANTIALLY CONTIGUOUS WITH AN ADJACENT ROW, EACH ROW COMPRISING A CONTINUOUS CHAIN ENTANGLEMENT OF FIBERS IN ITS PLANE THROUGHOUT THE LENGTH OF THE SAME, THE CONTINUOUS CHAIN ENTANGLEMENT OF FIBERS IN EACH ROW BEING FORMED SUCCESSIVELY THROUGHOUT THE LENGTH OF THE ROW BY SOME OF THE FIBERS IN THE ROW EXTENDING FROM ONE SURFACE OF THE BATT TO THE OTHER SURFACE AND BEING ENTANGLED WITH SOME OF THE FIBERS FROM THE OTHER SURFACE IN THE SAME ROW AND THEN RETURNED TOWARD THE ONE SURFACE WITH THE SOME OF THE FIBERS OF THE OTHER SURFACE, AND THEN THE SOME OF THE FIBERS FROM THE OTHER SURFACE BEING ENTANGLED WITH OTHER FIBERS IN THE ONE SURFACE WITH SOME BEING RETURNED TOWARD THE OTHER SURFACE WITH THE SAME AND SO FORTH SUCCESSIVELY THROUGHOUT THE LENGTH OF THE ROW; AND SOME OF THE FIBERS IN EACH ROW BETWEEN THE SURFACES BEING ENTANGLED WITH OTHER FIBERS IN THE ROW AND WITH FIBERS IN ADJACENT ROWS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |