US2417933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating potatoes
Assignee: FMC Corp
•
Filing: 1944-01-19
•
Granted: 1947-03-25
•
Expires: 1964-01-19
Abstract
No abstract record available.
Inventors
- 👤 Arthur F Kalmar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:36
CPC Classifications
A; A23; A23L; A23L5/00; A23L5/57
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1852144A
Cited
US1813127A
Cited
US1717869A
Cited
US1842696A
Cited
US2241436A
Cited
US2348946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-24 | 1950-09-23 | 1951-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-24 | 1954-09-23 | 1955-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-24 | 1958-09-23 | 1959-03-25 | $7700.00 | Window Closed / Lapsed |