Patent US3144460A successfully refreshed from Google Patents.
US3144460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certain triazolylureas
Assignee: Wyeth Holdings LLC
•
Filing: 1959-10-22
•
Granted: 1964-08-11
•
Expires: 1979-10-22
Abstract
No abstract record available.
Inventors
- 👤 John F Hosler
- 👤 William B Hardy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:13
CPC Classifications
C; C07; C07D; C07D249/00; C07D249/02; C07D249/08; C07D249/10; C07D249/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
1-PHENYL-3-(4H-1,2,4-TRIAZOL-3-YL)-UREA. 2. 1,1-DIMETHYL-3-(4H-1,2,4-TRIAZOL-3-YL)-UREA. 3. 1-P-CHLOROPHENYL-3-(4H-1,2,4-TRIAZOL-3-YL)-UREA.
Claim 2
Dependent Claim
5 words
1-PHENYL-3-(4H-1,2,4-TRIAZOL-3-YL)-UREA. 2. 1,1-DIMETHYL-3-(4H-1,2,4-TRIAZOL-3-YL)-UREA. 3. 1-P-CHLOROPHENYL-3-(4H-1,2,4-TRIAZOL-3-YL)-UREA.
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) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |