US3053418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seed-sowing machine
Assignee: Individual
•
Filing: 1957-12-20
•
Granted: 1962-09-11
•
Expires: 1977-12-20
Abstract
No abstract record available.
Inventors
- 👤 Jordan Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:32
CPC Classifications
A; A01; A01C; A01C7/00; A01C7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US304368A
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US461476A
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US772329A
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US1539333A
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US2428241A
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US2510658A
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US2569421A
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US2771222A
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US2761589A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |