US3133069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-phenylpiperazinyl derivatives of benzimidazole
Assignee: May and Baker Ltd
•
Filing: 1961-05-15
•
Granted: 1964-05-12
•
Expires: 1981-05-15
Abstract
No abstract record available.
Inventors
- 👤 Ash Anthony Stanley Fenton
- 👤 Creighton Andrew Malcolm
- 👤 Wragg William Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:15
CPC Classifications
C; C07; C07D; C07D235/00; C07D235/02; C07D235/04; C07D235/06; C07D235/08; C07D235/10; C07D235/12; C07D235/24; C07D235/26; C07D235/28; C07D241/00; C07D241/36; C07D241/38; C07D241/40; C07D241/42; C07D241/44; C07D243/00; C07D243/06; C07D243/10; C07D243/12; C07D295/00; C07D295/04; C07D295/12; C07D295/135
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A PHENYLPIPERAZINE DERIVATIVE SELECTED FROM THE CLASS CONSISTING OF THE COMPOUNDS OF THE FORMULA
Claim 2
Dependent Claim
14 words
A PHENYLPIPERAZINE DERIVATIVE SELECTED FROM THE CLASS CONSISTING OF THE COMPOUNDS 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) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |