US2885978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Subsoil planting plows
Assignee: Individual
•
Filing: 1957-03-04
•
Granted: 1959-05-12
•
Expires: 1977-03-04
Abstract
No abstract record available.
Inventors
- 👤 Oscar E Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:27
CPC Classifications
A; A01; A01C; A01C5/00; A01C5/06; A01C5/062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US335954A
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US488775A
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US557046A
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US602322A
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US1311427A
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US1184900A
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US1452417A
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US2252372A
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US2623483A
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US2739549A
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US2779263A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |