US3478046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
5-(or 6)-halo(or amino)benzazoles and methods for preparing same
Assignee: Merck and Co Inc
•
Filing: 1967-04-10
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Granted: 1969-11-11
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Expires: 1987-04-10
Abstract
No abstract record available.
Inventors
- 👤 Lewis H Sarett
- 👤 Horace D Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:59
CPC Classifications
C; C07; C07D; C07D417/00; C07D417/02; C07D417/04; A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/41; A61K31/415; C07D413/00; C07D413/02; C07D413/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |