Patent US3148189A successfully refreshed from Google Patents.
US3148189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
S-ethyl-s-m-trifluoromethylphenyl-
Assignee: —
•
Filing: —
•
Granted: 1964-09-08
•
Expires: 1981-09-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:27
CPC Classifications
C; C07; C07D; C07D239/00; C07D239/02; C07D239/20; C07D239/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 5-ETHYL-5-M-TRIFLUOROMETHYLPHENYLBARBITURIC ACID AND THE SALTS THEREOF WITH NONTOXIC CATIONS.
Claim 2
Dependent Claim
17 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 5-ETHYL-5-M-TRIFLUOROMETHYLPHENYLBARBITURIC ACID AND THE SALTS THEREOF WITH NONTOXIC CATIONS.
References Cited (Backward Citations)
US1923239A
Cited
US1025872A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |