Patent US3096321A successfully refreshed from Google Patents.
US3096321A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-insoluble monoazo-dyestuffs
Assignee: Hoechst AG
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Filing: 1961-06-29
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Granted: 1963-07-02
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Expires: 1981-06-29
Abstract
No abstract record available.
Inventors
- 👤 Ribka Joachim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:43
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/22; C08K5/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
THE WATER-INSOLUBLE MONOAZO-DYESTUFFS HAVING THE FORMULA
Claim 2
Dependent Claim
6 words
THE WATER-INSOLUBLE MONOAZO-DYESTUFFS HAVING THE FORMULA
References Cited (Backward Citations)
FR766857A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |