US3236856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Imidazole derivatives
Assignee: May and Baker Ltd
•
Filing: 1963-10-25
•
Granted: 1966-02-22
•
Expires: 1983-10-25
Abstract
No abstract record available.
Inventors
- 👤 Parnell Edgar William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:42
CPC Classifications
C; C07; C07D; C07D401/00; C07D401/02; C07D401/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
AN IMIDAZOLE OF THE FORMULA:
Claim 2
Dependent Claim
5 words
AN IMIDAZOLE 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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |