US2991909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single seed sowing machine
Assignee: Individual
•
Filing: 1957-02-21
•
Granted: 1961-07-11
•
Expires: 1977-02-21
Abstract
No abstract record available.
Inventors
- 👤 Lamazou Jean
- 👤 Lamazou Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:33
CPC Classifications
A; A01; A01C; A01C7/00; A01C7/04; A01C7/042; A01C7/044; A01C7/046; A01C7/0443
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US967644A
Cited
US1046199A
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US1331235A
Cited
US1352411A
Cited
US1501335A
Cited
US2324823A
Cited
US2415577A
Cited
US2505758A
Cited
US2525718A
Cited
US2737314A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |