Patent US3156201A successfully refreshed from Google Patents.
US3156201A
Expired / Lapsed
US
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Vacuum-type seed planter
Assignee: Massey Ferguson Inc
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Filing: 1962-11-07
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Granted: 1964-11-10
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Expires: 1982-11-07
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Tweedale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:30
CPC Classifications
A; A01; A01C; A01C7/00; A01C7/04; A01C7/042; A01C7/044; A01C7/0445; Y; Y10; Y10S; Y10S111/00; Y10S111/927
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1331235A
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US1746821A
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US2121650A
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US2455701A
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US2789736A
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US2960258A
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US2931325A
Cited
US2955550A
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US3022755A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |