US2567736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quicly attachable implement
Assignee: Deere and Co
•
Filing: 1945-02-16
•
Granted: 1951-09-11
•
Expires: 1965-02-16
Abstract
No abstract record available.
Inventors
- 👤 Walter H Silver
- 👤 William V Lohrman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:52
CPC Classifications
A; A01; A01B; A01B3/00; A01B3/36; A01B3/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1200107A
Cited
GB158712A
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GB189998A
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US1817085A
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US2292961A
Cited
US2320168A
Cited
US2339225A
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US2319670A
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US2358282A
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US2414114A
Cited
US2352491A
Cited
US2416194A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-10 | 1955-03-12 | 1955-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-10 | 1959-03-12 | 1959-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-10 | 1963-03-12 | 1963-09-11 | $7700.00 | Window Closed / Lapsed |