US2995586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New aniline-disulphonic acid amide derivatives and process for preparing the same
Assignee: Chinoin Private Co Ltd
•
Filing: 1959-10-06
•
Granted: 1961-08-08
•
Expires: 1979-10-06
Abstract
No abstract record available.
Inventors
- 👤 Konig Rezso
- 👤 Foldi Zoltan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:23
CPC Classifications
C; C07; C07C; C07C311/00; C07C311/30; C07C311/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
COMPOUNDS OF THE FORMULA
Claim 2
Dependent Claim
4 words
COMPOUNDS OF THE FORMULA
References Cited (Backward Citations)
US2910474A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |