US2085003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of ethyl alcohol from artichoke tubers
Assignee: Chemical Foundation Inc
•
Filing: 1935-12-14
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Granted: 1937-06-29
•
Expires: 1955-12-14
Abstract
No abstract record available.
Inventors
- 👤 Leo M Christensen
- 👤 Ellis I Fulmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:39
CPC Classifications
C; C12; C12P; C12P7/00; C12P7/02; C12P7/04; C12P7/06; Y; Y02; Y02E; Y02E50/00; Y02E50/10; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S435/94; Y10S435/942
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) | 1940-06-28 | 1940-12-28 | 1941-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-06-28 | 1944-12-28 | 1945-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-06-28 | 1948-12-28 | 1949-06-29 | $7700.00 | Window Closed / Lapsed |