US3103986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power steering mechanism
Assignee: Ford Motor Co
•
Filing: 1959-07-23
•
Granted: 1963-09-17
•
Expires: 1979-07-23
Abstract
No abstract record available.
Inventors
- 👤 David W Barton
- 👤 John R Elwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:04
CPC Classifications
B; B62; B62D; B62D5/00; B62D5/06; B62D5/08; B62D5/087; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19633
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
134 words
A POWER STEERING SYSTEM FOR AN AUTOMOTIVE VEHICLE COMPRISING A PAIR OF DIRIGIBLE WHEELS, STEERING LINKAGE CONNECTED TO SAID DIRIGIBLE WHEELS, A RACK CONNECTED TO SAID STEERING LINKAGE, A HYDRAULIC MOTOR CONNECTED TO SAID RACK, A STEERING GEAR COMPRISING A HOUSING, A PLANETARY GEAR TRAIN POSITIONED WITHIN SAID HOUSING, SAID PLANETARY GEAR TRAIN INCLUDING A RING GEAR, A SUN GEAR AND PLANET GEARS, SAID RING GEAR BEING MOUNTED FOR LIMITED ROTATION WITH RESPECT TO SAID HOUSING, INPUT AND OUTPUT SHAFTS COUPLED THROUGH SAID SUN AND PLANET GEARS, A STEERING WHEEL CONNECTED TO SAID INPUT SHAFT, A PINION POSITIONED UPON SAID OUTPUT SHAFT, SAID RACK BEING POSITIONED IN ENGAGEMENT WITH SAID PINION, AND CONTROL MEANS FOR CONTROLLING SAID HYDRAULIC MOTOR COUPLED TO SAID RING GEAR FOR ACTUATION BY THE LIMITED ROTATION OF SAID RING GEAR.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |