US2518306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corn planter
Assignee: Individual
•
Filing: 1945-01-24
•
Granted: 1950-08-08
•
Expires: 1965-01-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Joe Grier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:46
CPC Classifications
A; A01; A01C; A01C7/00; A01C7/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US359518A
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US438123A
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US556551A
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US654548A
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US720211A
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FR398184A
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US1063127A
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US1170237A
Cited
US1260174A
Cited
US1252658A
Cited
US1291995A
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US1480184A
Cited
US1618329A
Cited
US1806389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-07 | 1954-02-06 | 1954-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-07 | 1958-02-06 | 1958-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-07 | 1962-02-06 | 1962-08-08 | $7700.00 | Window Closed / Lapsed |