US3431338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated dosage form adapted to oral emetine or dehydroemetine therapy
Assignee: F Hoffmann La Roche AG
•
Filing: 1968-02-29
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Granted: 1969-03-04
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Expires: 1988-02-29
Abstract
No abstract record available.
Inventors
- 👤 Kurt Munzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:12
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/20; A61K9/28; A61K9/2886
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2957804A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |