US3117960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-soluble monoazo-dyestuffs
Assignee: BASF Schweiz AG
•
Filing: 1960-10-18
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Granted: 1964-01-14
•
Expires: 1980-10-18
Abstract
No abstract record available.
Inventors
- 👤 Illy Hugo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:37
CPC Classifications
—
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A WATER-SOLUBLE MONOAZO-DYESTUFF OF THE FORMULA
Claim 2
Dependent Claim
6 words
A WATER-SOLUBLE MONOAZO-DYESTUFF OF THE FORMULA
References Cited (Backward Citations)
US2965631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-13 | 1967-07-15 | 1968-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-13 | 1971-07-15 | 1972-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-13 | 1975-07-15 | 1976-01-14 | $7700.00 | Window Closed / Lapsed |