US2843948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Land leveler
Assignee: Deere and Co
•
Filing: 1954-03-18
•
Granted: 1958-07-22
•
Expires: 1974-03-18
Abstract
No abstract record available.
Inventors
- 👤 Jesse G Lindeman
- 👤 Frank H Horey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:37
CPC Classifications
A; A01; A01B; A01B31/00; E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/7663; E02F3/7668
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1709081A
Cited
US2196037A
Cited
US2339327A
Cited
US2334888A
Cited
US2314888A
Cited
US2526130A
Cited
US2635519A
Cited
US2650441A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |