US3301847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reactive disazo dyestuffs
Assignee: Aziende Colori Nazionali Affini ACNA SpA
•
Filing: 1963-10-15
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Granted: 1967-01-31
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Expires: 1983-10-15
Abstract
No abstract record available.
Inventors
- 👤 Mangini Angelo
- 👤 Tundo Antonio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:16
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/44; C09B62/78; C09B62/82; Y; Y10; Y10S; Y10S8/00; Y10S8/932
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A REACTIVE DYESTUFF HAVING THE FORMULA
Claim 2
Dependent Claim
6 words
A REACTIVE DYESTUFF HAVING THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |