Patent US2484981A successfully refreshed from Google Patents.
US2484981A
Expired / Lapsed
US
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Windrowing attachment for mowers
Assignee: Deere and Co
•
Filing: 1944-12-02
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Granted: 1949-10-18
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Expires: 1964-12-02
Abstract
No abstract record available.
Inventors
- 👤 Wilbur J Coultas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:57
CPC Classifications
A; A01; A01D; A01D57/00; A01D57/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1792691A
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US1926709A
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US1917556A
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US1959689A
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US2071844A
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US2225156A
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US2281059A
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US2251655A
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US2292958A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-17 | 1953-04-18 | 1953-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-17 | 1957-04-18 | 1957-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-17 | 1961-04-18 | 1961-10-18 | $7700.00 | Window Closed / Lapsed |