Patent US2925804A successfully refreshed from Google Patents.
US2925804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle power steering device
Assignee: Tenneco Automotive Inc
•
Filing: 1955-05-06
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Granted: 1960-02-23
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Expires: 1975-05-06
Abstract
No abstract record available.
Inventors
- 👤 Eugene E Hanson
- 👤 Arthur R Daniels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:37
CPC Classifications
B; B62; B62D; B62D5/00; B62D5/06; B62D5/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1385658A
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US1855386A
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US2050421A
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FR758143A
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US2062485A
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GB570069A
Cited
US2415128A
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US2366908A
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US2565929A
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US2635582A
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US2682929A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-22 | 1963-08-24 | 1964-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-22 | 1967-08-24 | 1968-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-22 | 1971-08-24 | 1972-02-23 | $7700.00 | Window Closed / Lapsed |