US3299090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nitroimidazoles
Assignee: Merck and Co Inc
•
Filing: 1964-03-27
•
Granted: 1967-01-17
•
Expires: 1984-03-27
Abstract
No abstract record available.
Inventors
- 👤 Dale R Hoff
- 👤 David W Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:30
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/54; C07D233/66; C07D233/91; C07D233/92; C07D233/95
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A 5-NITROIMIDAZOLE OF THE FORMULA
Claim 2
Dependent Claim
5 words
A 5-NITROIMIDAZOLE OF THE FORMULA
References Cited (Backward Citations)
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Cited
US2160293A
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US2404299A
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US2603649A
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US2852515A
Cited
US3056705A
Cited
US3037028A
Cited
US3132151A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |