Patent US3359256A successfully refreshed from Google Patents.
US3359256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monoazo dyes
Assignee: Sandoz AG
•
Filing: 1965-03-08
•
Granted: 1967-12-19
•
Expires: 1985-03-08
Abstract
No abstract record available.
Inventors
- 👤 Mueller Curt
- 👤 Altermatt Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:04
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0041
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
DYE OF THE FORMULA
Claim 2
Dependent Claim
4 words
DYE OF THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |