Patent US2979512A successfully refreshed from Google Patents.
US2979512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pyrazole derivatives
Assignee: —
•
Filing: —
•
Granted: 1961-04-11
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Expires: 1978-04-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:29
CPC Classifications
C; C07; C07D; C07D231/00; C07D231/02; C07D231/10; C07D231/14; C07D231/18; C07D231/20; C07D231/22; C07D231/26; C07D401/00; C07D401/02; C07D401/04; C07D401/12; C07D401/14; C07D471/00; C07D471/02; C07D471/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
AS NEW COMPOUNDS, NITROPYRAZOLE DERIVATIVES OF THE FORMULA
Claim 2
Dependent Claim
8 words
AS NEW COMPOUNDS, NITROPYRAZOLE DERIVATIVES 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) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |