US2560726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlled caster wheel for agricultural implements
Assignee: Deere Manufacturing Co
•
Filing: 1948-08-27
•
Granted: 1951-07-17
•
Expires: 1968-08-27
Abstract
No abstract record available.
Inventors
- 👤 Frank D Jones
- 👤 Wayne E Slavens
- 👤 Dale L Woolsoncroft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:07
CPC Classifications
A; A01; A01D; A01D80/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US419297A
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US752742A
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US1118837A
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US1285963A
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US1546617A
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US1651938A
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US1896234A
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GB549773A
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US2370355A
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US2396277A
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US2445865A
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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) | 1954-07-16 | 1955-01-15 | 1955-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-16 | 1959-01-15 | 1959-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-16 | 1963-01-15 | 1963-07-17 | $7700.00 | Window Closed / Lapsed |