US3159084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic steering system
Assignee: Motors Liquidation Co
•
Filing: 1963-07-25
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Granted: 1964-12-01
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Expires: 1983-07-25
Abstract
No abstract record available.
Inventors
- 👤 Philip B Zeigler
- 👤 Robert P Rohde
- 👤 Marwood M Frank
- 👤 William B Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:07
CPC Classifications
B; B62; B62D; B62D5/00; B62D5/06; B62D5/09; B62D5/093
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
POWER STEERING APPARATUS COMPRISING A FLUID CIRCUIT INCLUDING A SOURCE OF PRESSURE FLUID, A POWER CYLINDER ACTUATABLE BY SAID FLUID, A DEVICE FOR METERING FLOW OF SAID FLUID TO THE CYLINDER, AND A VALVE FOR CONTROLLING FLUID FLOW BETWEEN SAID SOURCE AND DEVICE, AND MEANS FOR
Claim 2
Dependent Claim
46 words
POWER STEERING APPARATUS COMPRISING A FLUID CIRCUIT INCLUDING A SOURCE OF PRESSURE FLUID, A POWER CYLINDER ACTUATABLE BY SAID FLUID, A DEVICE FOR METERING FLOW OF SAID FLUID TO THE CYLINDER, AND A VALVE FOR CONTROLLING FLUID FLOW BETWEEN SAID SOURCE AND DEVICE, AND MEANS FOR
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |