Patent US2494388A successfully refreshed from Google Patents.
US2494388A
Expired / Lapsed
US
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Combination harvesting and ensilage cutting machine
Assignee: Case LLC
•
Filing: 1944-06-16
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Granted: 1950-01-10
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Expires: 1964-06-16
Abstract
No abstract record available.
Inventors
- 👤 Sherman C Heth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:54
CPC Classifications
A; A01; A01D; A01D61/00; A01D61/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1882823A
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US1879960A
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US1926709A
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US1942037A
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US1980027A
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US2044139A
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US2269828A
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US2253633A
Cited
US2312838A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |