Patent US3211732A successfully refreshed from Google Patents.
US3211732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pyrazolob:x-d]pyrlil/hdines
Assignee: —
•
Filing: —
•
Granted: 1965-10-12
•
Expires: 1982-10-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:48
CPC Classifications
C; C07; C07D; C07D487/00; C07D487/02; C07D487/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A MEMBER SELECTED FROM THE GROUP OF PYRAZOLO-PYRIMIDINES OF THE FORMULA
Claim 2
Dependent Claim
11 words
A MEMBER SELECTED FROM THE GROUP OF PYRAZOLO-PYRIMIDINES 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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |