Patent US2945044A successfully refreshed from Google Patents.
US2945044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certain 1-(diethyl-aminoethyl), 5-amino, 2-benzyl or substituted benzyl, benzimidazoles
Assignee: CIBA PHARM PROD Inc
•
Filing: 1958-06-19
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Granted: 1960-07-12
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Expires: 1978-06-19
Abstract
No abstract record available.
Inventors
- 👤 Hoffmann Karl
- 👤 Hunger Alfred
- 👤 Rossi Alberto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:57
CPC Classifications
C; C07; C07D; C07D235/00; C07D235/02; C07D235/04; C07D235/06; C07D235/10; C07D235/08; C07D235/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A MEMBER OF THE GROUP CONSISTING OF BENZIMIDAZOLES OF THE FORMULA
Claim 2
Dependent Claim
11 words
A MEMBER OF THE GROUP CONSISTING OF BENZIMIDAZOLES 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) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |