US2518570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water control device for planting machines
Assignee: FARMERS MERCANTILE Co
•
Filing: 1945-09-25
•
Granted: 1950-08-15
•
Expires: 1965-09-25
Abstract
No abstract record available.
Inventors
- 👤 Jean C Renault
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:19
CPC Classifications
A; A01; A01C; A01C11/00; A01C11/006; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86405; Y10T137/86421; Y10T137/86429
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US603744A
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US1637980A
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US912816A
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US1073702A
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US1230806A
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US1368486A
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US1573270A
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US2333945A
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US2372739A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-14 | 1954-02-13 | 1954-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-14 | 1958-02-13 | 1958-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-14 | 1962-02-13 | 1962-08-15 | $7700.00 | Window Closed / Lapsed |