US2492962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beet harvester
Assignee: Deere and Co
•
Filing: 1947-03-31
•
Granted: 1950-01-03
•
Expires: 1967-03-31
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Bohmker
- 👤 Claude W Walz
- 👤 James H Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:27
CPC Classifications
A; A01; A01D; A01D23/00; A01D23/02; A01D2023/024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US951476A
Cited
AU1823324A
Cited
US2062711A
Cited
US2250948A
Cited
US2354112A
Cited
US2297065A
Cited
US2406013A
Cited
US2428904A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-02 | 1953-07-04 | 1954-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-02 | 1957-07-04 | 1958-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-02 | 1961-07-04 | 1962-01-03 | $7700.00 | Window Closed / Lapsed |