US2645228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cornhusker having rolls of alternate metal and rubber sections
Assignee: Minneapolis Moline Co
•
Filing: 1951-01-19
•
Granted: 1953-07-14
•
Expires: 1971-01-19
Abstract
No abstract record available.
Inventors
- 👤 Walter R Davies
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:24
CPC Classifications
A; A01; A01F; A01F11/00; A01F11/06; B; B02; B02B; B02B3/00; B02B3/04; B02B3/045; Y; Y10; Y10S; Y10S56/00; Y10S56/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US641293A
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US1695324A
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US1810437A
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US2001351A
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US2179579A
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US2239899A
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US2295755A
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US2469687A
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US2444088A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |