US3490860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for aftertreatment of freshly colored polyamide fibers
Assignee: Novartis AG
•
Filing: 1967-09-05
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Granted: 1970-01-20
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Expires: 1987-09-05
Abstract
No abstract record available.
Inventors
- 👤 Karl Soiron
- 👤 Hans Rafael
- 👤 Walter Stockar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:54
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/02; D06P3/04; D06P3/10; D06P5/00; D06P5/02; D06P5/04; D06P5/06; D06P5/08; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/917; Y10S8/92; Y10S8/924
Claims Analysis
Total Claims: 0
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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) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |