Patent US2920752A successfully refreshed from Google Patents.
US2920752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cross feed mechanism for harvester or baler
Assignee: Oliver Corp Japan
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Filing: 1958-01-14
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Granted: 1960-01-12
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Expires: 1978-01-14
Abstract
No abstract record available.
Inventors
- 👤 John L Heinlein
- 👤 Le Roy E Barnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:31
CPC Classifications
A; A01; A01F; A01F15/00; A01F15/08; A01F15/10; A01F15/101; A01F2015/103
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2030031A
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US2467717A
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US2571489A
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US2499615A
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US2545188A
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US2627714A
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US2681543A
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US2739438A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |