Patent US3288801A successfully refreshed from Google Patents.
US3288801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorescent 1, 2, 3-triazole derivatives of 3-phenyl-coumparin
Assignee: Sandoz AG
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Filing: 1963-06-06
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Granted: 1966-11-29
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Expires: 1983-06-06
Abstract
No abstract record available.
Inventors
- 👤 Fleck Fritz
- 👤 Balzer Hans
- 👤 Aebli Horst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:23
CPC Classifications
C; C07; C07D; C07D405/00; C07D405/02; C07D405/06; C07D487/00; C07D487/02; C07D487/04; D; D06; D06L; D06L4/00; D06L4/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |