Patent US2569871A successfully refreshed from Google Patents.
US2569871A
Expired / Lapsed
US
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Pickup auger for small grain elevators
Assignee: Deere and Co
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Filing: 1949-11-12
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Granted: 1951-10-02
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Expires: 1969-11-12
Abstract
No abstract record available.
Inventors
- 👤 Merrill W Roscoe
- 👤 Royal L Beldin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:28
CPC Classifications
B; B65; B65G; B65G65/00; B65G65/02; B65G65/16; B65G65/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2059705A
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US2279201A
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US2393572A
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US2467682A
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US2483290A
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US2528679A
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US2465145A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |