Patent US3055907A successfully refreshed from Google Patents.
US3055907A
Expired / Lapsed
US
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Acyl benzimidazoles and method of preparing same
Assignee: Merck and Co Inc
•
Filing: 1960-03-17
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Granted: 1962-09-25
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Expires: 1980-03-17
Abstract
No abstract record available.
Inventors
- 👤 Horace D Brown
- 👤 Lewis H Sarett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:14
CPC Classifications
C; C07; C07D; C07D417/00; C07D417/02; C07D417/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A BENZIMIDAZOLE HAVING THE FORMULA
Claim 2
Dependent Claim
5 words
A BENZIMIDAZOLE HAVING THE FORMULA
References Cited (Backward Citations)
US2483392A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |