Patent EP0070118A1 successfully refreshed from Google Patents.
Patent US3750846A successfully refreshed from Google Patents.
Patent US4907776A successfully refreshed from Google Patents.
Patent US2641887A successfully refreshed from Google Patents.
US2641887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Row crop implement-tractor combination
Assignee: Minneapolis Moline Co
•
Filing: 1949-04-08
•
Granted: 1953-06-16
•
Expires: 1969-04-08
Abstract
No abstract record available.
Inventors
- 👤 Korsmo Alfred
- 👤 Ronning Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:56
CPC Classifications
A; A01; A01D; A01D45/00; A01D45/02; A01D45/028; A01G; A01G25/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1445797A
Cited
US1721387A
Cited
US1222557A
Cited
US1155173A
Cited
US1166401A
Cited
US1263001A
Cited
US1646741A
Cited
US1972680A
Cited
US1943284A
Cited
US1940851A
Cited
US2022909A
Cited
US2223704A
Cited
US2264565A
Cited
US2458782A
Cited
US2379802A
Cited
US2323087A
Cited
US2334945A
Cited
US2444561A
Cited
US2427861A
Cited
US2524083A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |