Patent US2584238A successfully refreshed from Google Patents.
US2584238A
Expired / Lapsed
US
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Disk harrow
Assignee: International Motors LLC
•
Filing: 1944-12-18
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Granted: 1952-02-05
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Expires: 1964-12-18
Abstract
No abstract record available.
Inventors
- 👤 Paul R Sonneman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:42
CPC Classifications
A; A01; A01B; A01B21/00; A01B21/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1421048A
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US1667392A
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US1476512A
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US1611358A
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US1533029A
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US1777512A
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US1836227A
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US1824011A
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US2113832A
Cited
US2255380A
Cited
US2239948A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |