US2578609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crop pickup and feeding implement
Assignee: Individual
•
Filing: 1945-08-17
•
Granted: 1951-12-11
•
Expires: 1965-08-17
Abstract
No abstract record available.
Inventors
- 👤 Clarence A Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:34
CPC Classifications
A; A01; A01F; A01F15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US783559A
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US1049834A
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US1102301A
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US1919896A
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US1847399A
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US2179937A
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US2324261A
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US2378107A
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US2362402A
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US2446878A
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US2430734A
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US2431828A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-10 | 1955-06-11 | 1955-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-10 | 1959-06-11 | 1959-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-10 | 1963-06-11 | 1963-12-11 | $7700.00 | Window Closed / Lapsed |