US3496188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3-pyrazolyl-7-aryltriazolyl coumarins
Assignee: Bayer AG
•
Filing: 1966-05-24
•
Granted: 1970-02-17
•
Expires: 1986-05-24
Abstract
No abstract record available.
Inventors
- 👤 Wolf-Dieter Wirth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:29
CPC Classifications
C; C07; C07D; C07D405/00; C07D405/14; C08; C08L; C08L67/00; D; D06; D06L; D06L4/00; D06L4/60; H; H01; H01S; H01S3/00; H01S3/14; H01S3/20; H01S3/213
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3288801A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |