US2420776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grading and cutting machine for preparing seed potatoes for planting
Assignee: Individual
•
Filing: 1944-05-18
•
Granted: 1947-05-20
•
Expires: 1964-05-18
Abstract
No abstract record available.
Inventors
- 👤 Waldo E Hanna
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:26
CPC Classifications
A; A01; A01C; A01C1/00; A01C1/005; B; B26; B26D; B26D3/00; B26D3/18; B26D3/185; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2209; Y10T83/2216; Y10T83/647; Y10T83/6571; Y10T83/6584; Y10T83/6606; Y10T83/6633; Y10T83/869; Y10T83/8789; Y10T83/889
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-19 | 1950-11-18 | 1951-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-19 | 1954-11-18 | 1955-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-19 | 1958-11-18 | 1959-05-20 | $7700.00 | Window Closed / Lapsed |