Patent US3540365A successfully refreshed from Google Patents.
US3196145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reactive disazo dyestuffs
Assignee: Novartis AG
•
Filing: 1962-03-29
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Granted: 1965-07-20
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Expires: 1982-03-29
Abstract
No abstract record available.
Inventors
- 👤 Reding Marcel
- 👤 Bossard Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:56
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/002; C09B62/006; C09B62/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
REACTIVE DYESTUFF OF THE FORMULA
Claim 2
Dependent Claim
5 words
REACTIVE DYESTUFF OF THE FORMULA
References Cited (Backward Citations)
FR1221621A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |