US3336283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyes containing dihalopyrimidino groups
Assignee: BASF SE
•
Filing: 1964-02-28
•
Granted: 1967-08-15
•
Expires: 1984-02-28
Abstract
No abstract record available.
Inventors
- 👤 Weissauer Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:39
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/02; C09B62/20; C09B62/24; C08; C08G; C08G69/00; C08G69/48; C08G69/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A DYE SELECTED FROM THE CLASS CONSISTING OF THE DYES OF THE FORMULAE
Claim 2
Dependent Claim
13 words
A DYE SELECTED FROM THE CLASS CONSISTING OF THE DYES OF THE FORMULAE
References Cited (Backward Citations)
US3126370A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |