US2438106A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Peroral penicillin compositions
Assignee: Wyeth LLC
•
Filing: 1944-06-09
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Granted: 1948-03-23
•
Expires: 1964-06-09
Abstract
No abstract record available.
Inventors
- 👤 Harvey E Alburn
- 👤 Charney Jesse
- 👤 Finn W Bernhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:34
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/41; A61K31/425; A61K31/429; A61K31/43; Y; Y10; Y10S; Y10S159/00; Y10S159/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1486002A
Cited
US1527455A
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US1646553A
Cited
AU1066732A
Cited
US2101867A
Cited
US2293359A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-23 | 1951-09-22 | 1952-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-23 | 1955-09-22 | 1956-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-23 | 1959-09-22 | 1960-03-23 | $7700.00 | Window Closed / Lapsed |