US2954837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic power steering system
Assignee: International Motors LLC
•
Filing: 1957-07-19
•
Granted: 1960-10-04
•
Expires: 1977-07-19
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Ziskal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:10
CPC Classifications
B; B62; B62D; B62D5/00; B62D5/06; B62D5/20; B62D5/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2246461A
Cited
US2396643A
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US2506093A
Cited
FR954015A
Cited
US2634708A
Cited
US2827123A
Cited
US2801619A
Cited
US2828721A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |