US2626549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick detachable tractor mounted lister
Assignee: Deere and Co
•
Filing: 1945-04-06
•
Granted: 1953-01-27
•
Expires: 1965-04-06
Abstract
No abstract record available.
Inventors
- 👤 Walter H Silver
- 👤 Robert E Cox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:59
CPC Classifications
A; A01; A01B; A01B3/00; A01B3/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1885763A
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US1981443A
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US2209029A
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US2139042A
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US2339830A
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US2249861A
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US2363292A
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US2339225A
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US2533521A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-27 | 1956-07-28 | 1957-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-27 | 1960-07-28 | 1961-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-27 | 1964-07-28 | 1965-01-27 | $7700.00 | Window Closed / Lapsed |