US2498887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cultivator
Assignee: JOHN DEERE VAN BRUNT CO
•
Filing: 1944-08-23
•
Granted: 1950-02-28
•
Expires: 1964-08-23
Abstract
No abstract record available.
Inventors
- 👤 William A Hyland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:53
CPC Classifications
A; A01; A01B; A01B35/00; A01B35/02; A01B35/10; A01B35/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR533056A
Cited
US1573034A
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US659608A
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US794361A
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US792541A
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US1017465A
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US1234352A
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US1405030A
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US1424552A
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US1749974A
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US1702196A
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US1701572A
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US1846975A
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US1982862A
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US2230850A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-27 | 1953-08-29 | 1954-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-27 | 1957-08-29 | 1958-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-27 | 1961-08-29 | 1962-02-28 | $7700.00 | Window Closed / Lapsed |