US2420543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual cornhusking unit for multiple row corn pickers
Assignee: International Motors LLC
•
Filing: 1944-05-27
•
Granted: 1947-05-13
•
Expires: 1964-05-27
Abstract
No abstract record available.
Inventors
- 👤 Arnold E W Johnson
- 👤 Benjamin M Hyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:03
CPC Classifications
A; A01; A01D; A01D45/00; A01D45/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US879405A
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US1471616A
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US1925077A
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US1940851A
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US2210973A
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US2298198A
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US2290700A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-12 | 1950-11-11 | 1951-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-12 | 1954-11-11 | 1955-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-12 | 1958-11-11 | 1959-05-13 | $7700.00 | Window Closed / Lapsed |