Patent US2580432A successfully refreshed from Google Patents.
US2580432A
Expired / Lapsed
US
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Beet harvester with lifter
Assignee: Individual
•
Filing: 1947-07-28
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Granted: 1952-01-01
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Expires: 1967-07-28
Abstract
No abstract record available.
Inventors
- 👤 Theron H Jensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:48
CPC Classifications
A; A01; A01D; A01D25/00; A01D25/04; A01D25/042; A01D25/044
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US391059A
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US395132A
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US1303857A
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US627520A
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US773279A
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US856817A
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FR396454A
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US1002895A
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US1246811A
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US1723608A
Cited
US2601395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |