Patent US2489385A successfully refreshed from Google Patents.
US2489385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scraper for disks of grain drills
Assignee: Deere and Co
•
Filing: 1945-01-15
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Granted: 1949-11-29
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Expires: 1965-01-15
Abstract
No abstract record available.
Inventors
- 👤 Talbert W Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:06
CPC Classifications
A; A01; A01C; A01C5/00; A01C5/06; A01C5/062; A01C5/064
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US659881A
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US718512A
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US715257A
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US885080A
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US921357A
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US1104569A
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US1105570A
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US1113773A
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US1726278A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-28 | 1953-05-30 | 1953-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-28 | 1957-05-30 | 1957-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-28 | 1961-05-30 | 1961-11-29 | $7700.00 | Window Closed / Lapsed |