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Patent US2924186A successfully refreshed from Google Patents.
US2924186A
Expired / Lapsed
US
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Planting device for seed tape
Assignee: 3M Co
•
Filing: 1956-11-01
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Granted: 1960-02-09
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Expires: 1976-11-01
Abstract
No abstract record available.
Inventors
- 👤 Harold E Landeen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:12
CPC Classifications
A; A01; A01C; A01C7/00; A01C7/04; A01C7/048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US603802A
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US701569A
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US1095383A
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US1292082A
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FR516522A
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US1562353A
Cited
US1750054A
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US2689098A
Cited
FR1098668A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-08 | 1963-08-10 | 1964-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-08 | 1967-08-10 | 1968-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-08 | 1971-08-10 | 1972-02-09 | $7700.00 | Window Closed / Lapsed |