Patent US2912089A successfully refreshed from Google Patents.
US2912089A
Expired / Lapsed
US
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Grain drill
Assignee: Massey Ferguson Inc
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Filing: 1956-12-07
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Granted: 1959-11-10
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Expires: 1976-12-07
Abstract
No abstract record available.
Inventors
- 👤 Leonard M Krause
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:25
CPC Classifications
A; A01; A01C; A01C7/00; A01C7/20; A01C7/206
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US243192A
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US1191486A
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US2014355A
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US2047713A
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US2196676A
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GB504863A
Cited
US2418653A
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US2743801A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |