Patent US2533542A successfully refreshed from Google Patents.
US2533542A
Expired / Lapsed
US
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Detachable tractor mounted implement
Assignee: Deere and Co
•
Filing: 1944-11-15
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Granted: 1950-12-12
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Expires: 1964-11-15
Abstract
No abstract record available.
Inventors
- 👤 Claude W Walz
- 👤 Robert D Griff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:55
CPC Classifications
A; A01; A01B; A01B63/00; A01B63/02; A01B63/023; B; B62; B62D; B62D49/00; B62D49/06; B62D49/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1229157A
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US1353924A
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US1536591A
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US1962349A
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US2127579A
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US2150665A
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US2239332A
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US2426529A
Cited
US2368156A
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US2420551A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |