US2780903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Platform adjusting means for sidehill harvesters
Assignee: Deere and Co
•
Filing: 1952-12-22
•
Granted: 1957-02-12
•
Expires: 1972-12-22
Abstract
No abstract record available.
Inventors
- 👤 Everett R Kroll
- 👤 Farber Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:19
CPC Classifications
A; A01; A01D; A01D75/00; A01D75/28; A01D75/285
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1886069A
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US1972407A
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US2320283A
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US2488592A
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US2504289A
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US2629218A
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US2513111A
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US2654207A
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US2656668A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-12 | 1960-08-13 | 1961-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-12 | 1964-08-13 | 1965-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-12 | 1968-08-13 | 1969-02-12 | $7700.00 | Window Closed / Lapsed |