US2989539A
Expired / Lapsed
US
⏱️ 0.0 years remaining
J-amino-x-phenylpyrazoles and method
Assignee: —
•
Filing: —
•
Granted: 1961-06-20
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Expires: 1978-06-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:42
CPC Classifications
C; C07; C07D; C07D403/00; C07D403/02; C07D403/12; C07D231/00; C07D231/02; C07D231/10; C07D231/12; C07D231/14; C07D231/38; C07D249/00; C07D249/02; C07D249/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
CHEMICAL COMPOUNDS OF THE CLASS CONSISTING OF A FREE BASE AND ITS NONTOXIC PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALTS, THE FREE BASE HAVING THE FORMULA:
Claim 2
Dependent Claim
24 words
CHEMICAL COMPOUNDS OF THE CLASS CONSISTING OF A FREE BASE AND ITS NONTOXIC PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALTS, THE FREE BASE HAVING THE FORMULA:
References Cited (Backward Citations)
GB788140A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |