Patent US2279468A successfully refreshed from Google Patents.
US2279468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Product of antierythemic action
Assignee: Rhone Poulenc SA
•
Filing: 1940-02-15
•
Granted: 1942-04-14
•
Expires: 1960-02-15
Abstract
No abstract record available.
Inventors
- 👤 Lahousse Joseph Edouar Gustave
- 👤 Casati Anne Marguerit Lucienne
- 👤 Gonnard Jean Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:41
CPC Classifications
A; A61; A61Q; A61Q17/00; A61Q17/04; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/37
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-04-13 | 1945-10-13 | 1946-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-04-13 | 1949-10-13 | 1950-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-04-13 | 1953-10-13 | 1954-04-14 | $7700.00 | Window Closed / Lapsed |