US2404503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of amino acids from their salts
Assignee: Eli Lilly and Co
•
Filing: 1944-04-01
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Granted: 1946-07-23
•
Expires: 1964-04-01
Abstract
No abstract record available.
Inventors
- 👤 Morris S Kharasch
- 👤 Charies F Fuchs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:06
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/04; C07D209/10; C07D209/18; C07D209/20
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) | 1949-07-22 | 1950-01-21 | 1950-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-07-22 | 1954-01-21 | 1954-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-07-22 | 1958-01-21 | 1958-07-23 | $7700.00 | Window Closed / Lapsed |