US3202652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reactive water-soluble monoazodyestuffs
Assignee: Hoechst AG
•
Filing: 1963-03-12
•
Granted: 1965-08-24
•
Expires: 1983-03-12
Abstract
No abstract record available.
Inventors
- 👤 Meininger Fritz
- 👤 Noll Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:07
CPC Classifications
C; C09; C09B; C09B29/00; C09B29/10; C09B29/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
WATER-SOLUBLE MONOAZO-DYESTUFFS HAVING THE FORMULA
Claim 2
Dependent Claim
5 words
WATER-SOLUBLE MONOAZO-DYESTUFFS HAVING 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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |