Patent US3401004A successfully refreshed from Google Patents.
US3401004A
Expired / Lapsed
US
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Process for the dyeing of synthetic polyamide fibers
Assignee: Novartis AG
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Filing: 1964-06-08
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Granted: 1968-09-10
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Expires: 1984-06-08
Abstract
No abstract record available.
Inventors
- 👤 Horst Krumme
- 👤 Hans-Helmut Schoor
- 👤 Guenter Jakob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:00
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/02; D06P3/04; D06P3/24; D06P3/245; D06P1/00; D06P1/44; D06P1/60; D06P3/241; Y; Y10; Y10S; Y10S8/00; Y10S8/907; 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) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |