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 13:43
CPC Classifications
A; A01; A01D; A01D45/00; A01D45/02; A01D45/028; A01G; A01G25/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1445797A
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US1721387A
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US1222557A
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US1155173A
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US1166401A
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US1263001A
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US1646741A
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US1972680A
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US1943284A
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US1940851A
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US2022909A
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US2223704A
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US2264565A
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US2458782A
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US2379802A
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US2323087A
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US2334945A
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US2444561A
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US2427861A
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US2524083A
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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 |