Coiled-filament non-woven fabrics
Abstract
Abstract AN ELASTIC NON-WOVEN FABRIC WITH HIGH MULTIDIRECTIONAL STRETCHABILITY, HAVING TRASVERSELY INTERSECTING WRAPS AND FILLINGS COMPOSED OF RESILENT HIGHLY EXTENSIBLE COIL STRANDS OF MONO-FILAMENTARY NATURE. THE FABRIC IS MADE BY FORMING A FIRST SINGLE LAYER STRUCTURE OF PARALLEL COIL STRANDS, FORMING A SECOND SINGLE LAYER STRUCTURE OF PARALLEL COIL STRANDS WHICH OVERLIE AND CROSS THE STRANDS OF THE FIRST LAYER, AND COMPACTING THE TWO COIL LAYERS INTO ONE ANOTHER SO THAT THE COIL STRANDS OF EACH GROUP ARE ENTANGLED WITH THE CROSSING COIL STRANDS OF THE OTHER GROUP FROM ONE SIDE ONLY AND ARE INTERCONNECTED SO AS TO BECOME A COHESIVE STRUCTURE IN WHICH THE AXES OF ALL THE COIL STRANDS ARE IN A SINGLE COMMON PLANE.
Inventors
- 👤 Robert N Steel
Bibliographic Details
Claims Analysis
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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) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |