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Patent US2419792A successfully refreshed from Google Patents.
US2419792A
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US
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Hydraulic power system
Assignee: Ford Instrument Co Inc
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Filing: 1935-06-06
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Granted: 1947-04-29
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Expires: 1955-06-06
Abstract
No abstract record available.
Inventors
- 👤 Edward J Poitras
- 👤 James D Tear
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:54
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/46; F16H61/461; F16H61/47
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2028766A
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US1964196A
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US2005731A
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US2005732A
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US1939113A
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US2006311A
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US1964398A
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US1972462A
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US2004522A
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US2111964A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-28 | 1950-10-28 | 1951-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-28 | 1954-10-28 | 1955-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-28 | 1958-10-28 | 1959-04-29 | $7700.00 | Window Closed / Lapsed |