Patent US2210973A successfully refreshed from Google Patents.
US2210973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corn picker
Assignee: Deere and Co
•
Filing: 1939-01-12
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Granted: 1940-08-13
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Expires: 1959-01-12
Abstract
No abstract record available.
Inventors
- 👤 Wilbur J Coultas
- 👤 Nolan D Colvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:47
CPC Classifications
A; A01; A01D; A01D45/00; A01D45/02; A01D45/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-08-13 | 1944-02-12 | 1944-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-08-13 | 1948-02-12 | 1948-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-08-13 | 1952-02-12 | 1952-08-13 | $7700.00 | Window Closed / Lapsed |