US3360508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monoazo dyestuffs of the indazole series
Assignee: Kuhlmann SA
•
Filing: 1965-01-26
•
Granted: 1967-12-26
•
Expires: 1985-01-26
Abstract
No abstract record available.
Inventors
- 👤 Sureau Robert Frederic Michel
- 👤 Kremer Gilbert Victor Henri
- 👤 Dupre Victor Marie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:33
CPC Classifications
C; C09; C09B; C09B44/00; C09B44/10; C09B44/14; C09B27/00; C09B29/00; C09B29/0025; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/927
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
THE DYESTUFF OF THE FORMULA:
Claim 2
Dependent Claim
5 words
THE DYESTUFF OF THE FORMULA:
References Cited (Backward Citations)
US3101988A
Cited
US2883373A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |