US3294814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
4-nitropyrazoles
Assignee: BASF SE
•
Filing: 1965-03-04
•
Granted: 1966-12-27
•
Expires: 1985-03-04
Abstract
No abstract record available.
Inventors
- 👤 Reicheneder Franz
- 👤 Dury Johanna Maria
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:51
CPC Classifications
C; C07; C07D; C07D231/00; C07D231/02; C07D231/10; C07D231/14; C07D231/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A 4-NITROPYRAZOLE HAVING THE FORMULA:
Claim 2
Dependent Claim
5 words
A 4-NITROPYRAZOLE HAVING THE FORMULA:
References Cited (Backward Citations)
US3102890A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |