US2543786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-way plow attachment for tractors
Assignee: Deere and Co
•
Filing: 1945-07-16
•
Granted: 1951-03-06
•
Expires: 1965-07-16
Abstract
No abstract record available.
Inventors
- 👤 Jesse G Lindeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:25
CPC Classifications
A; A01; A01B; A01B3/00; A01B3/36; A01B3/40; A01B3/42; A01B3/426
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE226264C
Cited
US1021117A
Cited
US1358158A
Cited
US1560639A
Cited
US1467894A
Cited
FR638191A
Cited
FR675092A
Cited
FR629302A
Cited
FR36803E
Cited
US2227366A
Cited
GB544041A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |