US3255203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ii chz xn
Assignee: —
•
Filing: —
•
Granted: 1966-06-07
•
Expires: 1983-06-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:09
CPC Classifications
C; C07; C07D; C07D231/00; C07D231/02; C07D231/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
1,3-DIARYL-$2-PYRAZOLINE OF THE FORMULA
Claim 2
Dependent Claim
4 words
1,3-DIARYL-$2-PYRAZOLINE OF THE FORMULA
References Cited (Backward Citations)
US2610969A
Cited
US3133080A
Cited
US2702759A
Cited
US2873206A
Cited
US2897206A
Cited
US2985593A
Cited
US2976295A
Cited
US3013015A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |