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US3519614A
Expired / Lapsed
US
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Reactive azo dyes containing triazine groups quaternized by nicotinic acid
Assignee: Aziende Colori Nazionali Affini ACNA SpA
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Filing: 1966-08-03
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Granted: 1970-07-07
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Expires: 1986-08-03
Abstract
No abstract record available.
Inventors
- 👤 Sandro Ponzini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:55
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/02; C09B62/04; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/918
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) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |