Patent US2912812A successfully refreshed from Google Patents.
US2912812A
Expired / Lapsed
US
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Corn picking attachment for combines
Assignee: International Motors LLC
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Filing: 1957-07-09
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Granted: 1959-11-17
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Expires: 1977-07-09
Abstract
No abstract record available.
Inventors
- 👤 John L Aasland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:29
CPC Classifications
A; A01; A01D; A01D45/00; A01D45/02; A01D45/021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1821985A
Cited
US1906692A
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US2331520A
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US2669824A
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US2606647A
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US2794307A
Cited
US2787106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |