US2685241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick detachable implement
Assignee: Deere and Co
•
Filing: 1949-06-17
•
Granted: 1954-08-03
•
Expires: 1969-06-17
Abstract
No abstract record available.
Inventors
- 👤 Walter H Silver
- 👤 William V Lohrman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:00
CPC Classifications
A; A01; A01B; A01B3/00; A01B3/36; A01B3/38; A01B63/00; A01B63/02; A01B63/10
Claims Analysis
Total Claims: 0
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US2440550A
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US2483565A
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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) | 1957-08-02 | 1958-02-01 | 1958-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-02 | 1962-02-01 | 1962-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-02 | 1966-02-01 | 1966-08-03 | $7700.00 | Window Closed / Lapsed |