US3459729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monoazo triazine containing dyestuffs
Assignee: Aziende Colori Nazionali Affini ACNA SpA
•
Filing: 1967-04-24
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Granted: 1969-08-05
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Expires: 1987-04-24
Abstract
No abstract record available.
Inventors
- 👤 Argento Crotti
- 👤 Fabrizio Merlo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:24
CPC Classifications
C; C09; C09B; C09B1/00; C09B1/16; C09B1/20; C09B1/36; C09B1/46; C09B43/00; C09B43/12; C09B43/136; C09B43/16; C09B62/00; C09B62/02; C09B62/04; C09B62/06; C09B62/08; C09B62/085; D; D06; D06P; D06P3/00; D06P3/79; D06P3/794; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/928
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2643996A
Cited
GB840742A
Cited
US2953560A
Cited
US3177214A
Cited
CH344152A
Cited
US3108846A
Cited
US3320232A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |