US2676555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seeding mechanism gearing controlled by power lift clutch
Assignee: JOHN DEERE VAN BRUNT CO
•
Filing: 1950-04-21
•
Granted: 1954-04-27
•
Expires: 1970-04-21
Abstract
No abstract record available.
Inventors
- 👤 Ernst E Schnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:59
CPC Classifications
A; A01; A01C; A01C7/00; A01C7/08; A01C7/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US7268A
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US304830A
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US1842059A
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US1968187A
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US2031650A
Cited
US2223624A
Cited
US2308081A
Cited
US2396980A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |