US3262925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disazo-dyestuffs
Assignee: BASF Schweiz AG
•
Filing: 1963-06-13
•
Granted: 1966-07-26
•
Expires: 1983-06-13
Abstract
No abstract record available.
Inventors
- 👤 Mueller Willy
- 👤 Ronco Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 02:03
CPC Classifications
C; C09; C09B; C09B43/00; C09B43/32; C09B43/38; C08; C08K; C08K5/00; C08K5/16; C08K5/22; C08K5/23; C09B33/00; C09B33/02; C09B33/147
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
AN AZO-DYESTUFF OF THE FORMULA
Claim 2
Dependent Claim
5 words
AN AZO-DYESTUFF 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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |