Patent US3446805A successfully refreshed from Google Patents.
US3446805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
7-aryltriazolyl-3-aryl-carbostyrils
Assignee: Bayer AG
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Filing: 1967-08-01
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Granted: 1969-05-27
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Expires: 1987-08-01
Abstract
No abstract record available.
Inventors
- 👤 Wolf-Dieter Wirth
- 👤 Hans Knupfer
- 👤 Carl-Wolfgang Schellhammer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:54
CPC Classifications
C; C07; C07D; C07D401/00; C07D401/02; C07D401/04; D; D06; D06L; D06L4/00; D06L4/60
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) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |