US2915044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous flow type hydraulic power steering mechanism
Assignee: Individual
•
Filing: 1955-02-28
•
Granted: 1959-12-01
•
Expires: 1975-02-28
Abstract
No abstract record available.
Inventors
- 👤 Walter D Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:20
CPC Classifications
B; B62; B62D; B62D5/00; B62D5/06; B62D5/062; F; F15; F15B; F15B9/00; F15B9/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2735406A
Cited
US821398A
Cited
DE406934C
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US2020847A
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US1859333A
Cited
US2481426A
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DE854278C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |