US3068219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Formazane dyes containing a halogen-pyrimidyl substituent
Assignee: Novartis AG
•
Filing: 1960-11-10
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Granted: 1962-12-11
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Expires: 1980-11-10
Abstract
No abstract record available.
Inventors
- 👤 Beffa Fabio
- 👤 Dussy Paul
- 👤 Schetty Guido
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:13
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/02; C09B62/20; C09B62/205
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
THE DYESTUFFS OF THE GENERAL FORMULA
Claim 2
Dependent Claim
6 words
THE DYESTUFFS OF THE GENERAL FORMULA
References Cited (Backward Citations)
US2662074A
Cited
US2864815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |