Patent US2644618A successfully refreshed from Google Patents.
US2644618A
Expired / Lapsed
US
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Fertilizer distributor
Assignee: Deere and Co
•
Filing: 1948-04-15
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Granted: 1953-07-07
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Expires: 1968-04-15
Abstract
No abstract record available.
Inventors
- 👤 William P Oehler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:06
CPC Classifications
A; A01; A01C; A01C15/00; A01C15/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US176405A
Cited
US313320A
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US480146A
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US1448423A
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US888963A
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US1010257A
Cited
US1237629A
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US1651605A
Cited
US1868298A
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US2369508A
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US2435039A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |