US3608298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pearlescent yarn
Assignee: Lurex NV
•
Filing: 1969-03-25
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Granted: 1971-09-28
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Expires: 1989-03-25
Abstract
Abstract COLORED PEARLESCENT YARNS ARE OBTAINED BY LAMINATING POLYESTER FILMS USING AN ADHESIVE CONTAINING A PEARLESCENT MATERIAL AND A SUITABLE COLORING PIGMENT. THE RESULTING YARNS PROVIDE NON-TOXIC PEARLESCENT MATERIALS WHICH MAY BE BASED ON TOXIC LEAD SALTS AND WHICH MATERIALS HAVE A HIGH DEGREE OF LUSTER.
Inventors
- 👤 Peter J Schoots
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:59
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/42; D01D5/426; D02; D02G; D02G3/00; D02G3/02; D02G3/06; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/29; Y10T428/2913; Y10T428/2927; Y10T428/2933; Y10T428/294; Y10T428/2942; Y10T428/2947; Y10T428/2964; Y10T428/2967; Y10T442/00; Y10T442/30; Y10T442/3146; Y10T442/3171
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |