Patent US3470192A successfully refreshed from Google Patents.
US3470192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certain 2-(2,3-and 4-pyridyl)-benzofuran and derivatives thereof
Assignee: Labaz Sanofi NV
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Filing: 1965-11-12
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Granted: 1969-09-30
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Expires: 1985-11-12
Abstract
No abstract record available.
Inventors
- 👤 Fernand Binon
- 👤 Herbert Ziegler
- 👤 Henri Inion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:25
CPC Classifications
C; C07; C07D; C07D405/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A COMPOUND OF THE CLASS CONSISTING OF A FREE BASE AND THE PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALTS THEREOF, THE FREE BASE BEING REPRESENTED BY THE FORMULA:
Claim 2
Dependent Claim
26 words
A COMPOUND OF THE CLASS CONSISTING OF A FREE BASE AND THE PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALTS THEREOF, THE FREE BASE BEING REPRESENTED BY THE FORMULA:
References Cited (Backward Citations)
US2633468A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |