US2436155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power lift
Assignee: Deere and Co
•
Filing: 1944-03-30
•
Granted: 1948-02-17
•
Expires: 1964-03-30
Abstract
No abstract record available.
Inventors
- 👤 Walter H Silver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:12
CPC Classifications
A; A01; A01B; A01B63/00; A01B63/02; A01B63/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE370631C
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US1060095A
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FR473798A
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US1612379A
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DE344774C
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FR503186A
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US1767114A
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FR715269A
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US1893619A
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US2306814A
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US2330272A
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US2357847A
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US2357916A
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US2368631A
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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) | 1951-02-16 | 1951-08-18 | 1952-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-16 | 1955-08-18 | 1956-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-16 | 1959-08-18 | 1960-02-17 | $7700.00 | Window Closed / Lapsed |