Patent US3056777A successfully refreshed from Google Patents.
US3056777A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New benzimidazoles
Assignee: Merck and Co Inc
•
Filing: 1960-12-19
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Granted: 1962-10-02
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Expires: 1980-12-19
Abstract
No abstract record available.
Inventors
- 👤 Paul E Wittreich
- 👤 Karl A Folkers
- 👤 Franklin M Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:36
CPC Classifications
C; C07; C07D; C07D235/00; C07D235/02; C07D235/04; C07D235/06; C07D235/22; C07D235/24; C07D235/26
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA-
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA-
Claim 3
Dependent Claim
2 words
THE COMPOUND-
Claim 4
Dependent Claim
2 words
THE COMPOUND-
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) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |