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US2562881A
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Hydraulically driven vehicle and cable reel motor control means
Assignee: Joy Manufacturing Co
•
Filing: 1945-02-15
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Granted: 1951-08-07
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Expires: 1965-02-15
Abstract
No abstract record available.
Inventors
- 👤 Clyde P Baldwin
- 👤 Harry H Vanderzee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:54
CPC Classifications
E; E21; E21C; E21C31/00; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85954; Y10T137/87096; Y10T137/87265; Y10T137/877; Y10T137/87708; Y10T137/87764; Y10T137/87917; Y10T137/88054
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2316521A
Cited
US1045903A
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US1110995A
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US1926692A
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US1963091A
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US2229086A
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US2173068A
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US2126172A
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US2209608A
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US2282749A
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US2301098A
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US2228411A
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US2378892A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |