US2359537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the extraction of aconitic acid from plant juices
Assignee: Individual
•
Filing: 1943-08-10
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Granted: 1944-10-03
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Expires: 1963-08-10
Abstract
No abstract record available.
Inventors
- 👤 Emil K Ventre
- 👤 Joseph A Ambler
- 👤 Byall Sam
- 👤 Herbert C Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:40
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/185; A61K31/19; C; C07; C07C; C07C51/00; C07C51/42; C07C51/487
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) | 1947-10-03 | 1948-04-03 | 1948-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-10-03 | 1952-04-03 | 1952-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-10-03 | 1956-04-03 | 1956-10-03 | $7700.00 | Window Closed / Lapsed |