Patent US2843032A successfully refreshed from Google Patents.
US2843032A
Expired / Lapsed
US
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Combined drag and cultivator
Assignee: JIM ALEX SMITH
•
Filing: 1955-05-20
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Granted: 1958-07-15
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Expires: 1975-05-20
Abstract
No abstract record available.
Inventors
- 👤 Cecil B Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:27
CPC Classifications
A; A01; A01B; A01B39/00; A01B39/12; A01B39/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US427353A
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US1196113A
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US836540A
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US832350A
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US1138024A
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US1715616A
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US1402586A
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US2538705A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |