Yarns including fibrous glass strands and methods of their production
Abstract
Abstract This invention relates to simple, novelty and combination yarns including base or core strands of fibrous glass filaments with integrated and texturized characteristics derived from successively cutting some or all of the filaments of the strands, twisting the strands and supplementally entangling other, preferably fibrous, elements or organic or inorganic nature such as paper, cotton, rubber, synthetics, glass, or asbestos with the base strands for bulking and covering the strands and adding diverse properties thereto, the elements being held to the strands by wrapping of the ends of the cut filaments and ends of cut filaments or strands of the added elements, and by extra size or binder applied to the full assembly of materials.
Inventors
- 👤 R Russell
Bibliographic Details
Claims Analysis
Total Claims: 2References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-16 | 1978-03-18 | 1978-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-16 | 1982-03-18 | 1982-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-16 | 1986-03-18 | 1986-09-17 | $7700.00 | Window Closed / Lapsed |