US3223707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-(trifluorobutenylmercapto)-pyrimidines
Assignee: Stauffer Chemical Co
•
Filing: 1963-12-23
•
Granted: 1965-12-14
•
Expires: 1983-12-23
Abstract
No abstract record available.
Inventors
- 👤 Mervin E Brokke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:03
CPC Classifications
C; C07; C07D; C07D239/00; C07D239/02; C07D239/24; C07D239/28; C07D239/32; C07D239/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
SUBSTITUTED PYRIMIDINES CORRESPONDING TO THE FORMULA
Claim 2
Dependent Claim
6 words
SUBSTITUTED PYRIMIDINES CORRESPONDING TO THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |