Patent US2482249A successfully refreshed from Google Patents.
US2482249A
Expired / Lapsed
US
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Hydraulic mechanism
Assignee: Deere and Co
•
Filing: 1944-11-01
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Granted: 1949-09-20
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Expires: 1964-11-01
Abstract
No abstract record available.
Inventors
- 👤 Frank T Court
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:05
CPC Classifications
F; F15; F15B; F15B9/00; F15B9/02; F15B9/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1309076A
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US2132338A
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US1103738A
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US1221876A
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US1684228A
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US1897386A
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US2172315A
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US2307585A
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US2340474A
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US2304380A
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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) | 1952-09-19 | 1953-03-21 | 1953-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-19 | 1957-03-21 | 1957-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-19 | 1961-03-21 | 1961-09-20 | $7700.00 | Window Closed / Lapsed |