Patent US1531586A successfully refreshed from Google Patents.
Patent US3363969A successfully refreshed from Google Patents.
US3363969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyeing and light stabilizing nylon yarns with sulfonated dyes; sterically hindered phenols, and alkylnaphthalene sulfonates with or without other ultraviolet light absorbers
Assignee: EIDP Inc
•
Filing: 1964-02-12
•
Granted: 1968-01-16
•
Expires: 1984-02-12
Abstract
No abstract record available.
Inventors
- 👤 Brooks Joseph Aloysius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:49
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/64; D06P1/651; D06P1/65106; D06P1/65118; D06P1/62; D06P1/621; D06P1/622; D06P1/625; D06P3/00; D06P3/02; D06P3/04; D06P3/24; D06P3/241; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/924
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |