Patent US2665533A successfully refreshed from Google Patents.
US2665533A
Expired / Lapsed
US
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Beet harvester
Assignee: Deere and Co
•
Filing: 1949-01-05
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Granted: 1954-01-12
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Expires: 1969-01-05
Abstract
No abstract record available.
Inventors
- 👤 Sr Virgil F Bozeman
- 👤 Claude W Walz
- 👤 Robert D Griff
- 👤 Howard F Clausen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:54
CPC Classifications
A; A01; A01D; A01D27/00; A01D27/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1666636A
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US993704A
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US1301328A
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US1283810A
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US1369721A
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US1463078A
Cited
US1748746A
Cited
US2169521A
Cited
US2314681A
Cited
US2433799A
Cited
US2430665A
Cited
US2543529A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |