Patent US2569389A successfully refreshed from Google Patents.
US2569389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pivot assembly for tractor mounted implements
Assignee: Minneapolis Moline Co
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Filing: 1945-05-04
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Granted: 1951-09-25
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Expires: 1965-05-04
Abstract
No abstract record available.
Inventors
- 👤 Paul C Seaholm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:05
CPC Classifications
A; A01; A01B; A01B63/00; A01B63/02; A01B63/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1529641A
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US1916945A
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US2264575A
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US2358539A
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US2324840A
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US2357847A
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US2297301A
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US2362578A
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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) | 1954-09-24 | 1955-03-26 | 1955-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-24 | 1959-03-26 | 1959-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-24 | 1963-03-26 | 1963-09-25 | $7700.00 | Window Closed / Lapsed |