US2563172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Press wheel attachment for grain drills
Assignee: JOHN DEERE VAN BRUNT CO
•
Filing: 1944-09-18
•
Granted: 1951-08-07
•
Expires: 1964-09-18
Abstract
No abstract record available.
Inventors
- 👤 William A Hyland
- 👤 Royce R Borngraeber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:51
CPC Classifications
A; A01; A01C; A01C5/00; A01C5/06; A01C5/066; A01C5/068
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US778999A
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US1170117A
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US1452286A
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US1866912A
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US2314235A
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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) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |