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US2363897A
Expired / Lapsed
US
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Implement attachment for tractors
Assignee: Deere and Co
•
Filing: 1943-05-17
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Granted: 1944-11-28
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Expires: 1963-05-17
Abstract
No abstract record available.
Inventors
- 👤 Louis A Paradise
- 👤 Wilbur J Coultas
- 👤 Russell L Dort
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:53
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) | 1947-11-28 | 1948-05-29 | 1948-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-11-28 | 1952-05-29 | 1952-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-11-28 | 1956-05-29 | 1956-11-28 | $7700.00 | Window Closed / Lapsed |