US3036077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aminobenzanthrone dyestuffs
Assignee: BASF Schweiz AG
•
Filing: 1959-12-14
•
Granted: 1962-05-22
•
Expires: 1979-12-14
Abstract
No abstract record available.
Inventors
- 👤 Altermatt Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:00
CPC Classifications
C; C09; C09B; C09B3/00; C09B3/02; C09B3/06; C09B3/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
12 words
A DYESTUFF SELECTED FROM THE GROUP CONSISTING OF DYESTUFFS OF THE FORMULAE
Claim 2
Dependent Claim
12 words
A DYESTUFF SELECTED FROM THE GROUP CONSISTING OF DYESTUFFS OF THE FORMULAE
Claim 3
Dependent Claim
5 words
THE DYESTUFF OF THE FORMULA
Claim 4
Dependent Claim
5 words
THE DYESTUFF OF THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |