US2422044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractor mower
Assignee: Minneapolis Moline Power Co
•
Filing: 1944-09-01
•
Granted: 1947-06-10
•
Expires: 1964-09-01
Abstract
No abstract record available.
Inventors
- 👤 Ronning Martin
- 👤 Kenneth M Keith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:34
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/835; A01D34/86
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1908555A
Cited
US1887352A
Cited
US1973993A
Cited
US2130795A
Cited
US2269980A
Cited
US2304421A
Cited
US2310388A
Cited
US2328838A
Cited
US2329881A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-09 | 1950-12-09 | 1951-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-09 | 1954-12-09 | 1955-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-09 | 1958-12-09 | 1959-06-10 | $7700.00 | Window Closed / Lapsed |