US2221139A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of medicaments
Assignee: Eastman Kodak Co
•
Filing: 1939-03-31
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Granted: 1940-11-12
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Expires: 1959-03-31
Abstract
No abstract record available.
Inventors
- 👤 Gordon D Hiatt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:29
CPC Classifications
A; A61; A61K; A61K47/00; A61K47/44; A61K47/30; A61K47/36; A61K47/38; A61K8/00; A61K8/18; A61K8/19; A61K8/29; A61K8/30; A61K8/33; A61K8/37; A61K8/72; A61K8/73; A61K8/731; A61K9/00; A61K9/0012; A61K9/0014; A61K9/70; A61K9/7015; A61Q; A61Q17/00
Claims Analysis
Total Claims: 0
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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) | 1943-11-12 | 1944-05-13 | 1944-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-11-12 | 1948-05-13 | 1948-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-11-12 | 1952-05-13 | 1952-11-12 | $7700.00 | Window Closed / Lapsed |