Patent US3227238A successfully refreshed from Google Patents.
US3227238A
Expired / Lapsed
US
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Hydraulic steering systems
Assignee: Frank G Hough Co
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Filing: 1963-04-30
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Granted: 1966-01-04
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Expires: 1983-04-30
Abstract
No abstract record available.
Inventors
- 👤 Don S Strader
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:40
CPC Classifications
B; B62; B62D; B62D7/00; B62D7/06; B62D7/14; B62D7/15; B62D7/1509; B62D7/142
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
IN A HYDRAULIC STERRING SYSTEM FOR A VEHICLE HAVING A HYDRAULICALLY STEERABLE REARWARD WHEEL ASSEMBLY AND A FORWARD WHEEL ASSEMBLY, FIRST MEANS CONNECTED TO SAID HYDRAULICALLY STEERABLE REARWARD WHEEL ASSEMBLY FOR CENTERING SAID REARWARD WHEEL ASSEMBLY IN THE STRAIGHT-AHEAD POSITION, AND SECOND MEANS ASSOCIATED WITH THE FORWARD WHEEL ASSEMBLY OF SAID VEHICLE AND BEING RESPONSIVE TO A STRAIGHT AHEAD POSITION OF THE FORWARD WHEEL ASSEMBLY FOR CONDITIONING SAID FIRST MEANS TO CENTER THE REAR WHEEL ASSEMBLY.
Claim 2
Dependent Claim
76 words
IN A HYDRAULIC STERRING SYSTEM FOR A VEHICLE HAVING A HYDRAULICALLY STEERABLE REARWARD WHEEL ASSEMBLY AND A FORWARD WHEEL ASSEMBLY, FIRST MEANS CONNECTED TO SAID HYDRAULICALLY STEERABLE REARWARD WHEEL ASSEMBLY FOR CENTERING SAID REARWARD WHEEL ASSEMBLY IN THE STRAIGHT-AHEAD POSITION, AND SECOND MEANS ASSOCIATED WITH THE FORWARD WHEEL ASSEMBLY OF SAID VEHICLE AND BEING RESPONSIVE TO A STRAIGHT AHEAD POSITION OF THE FORWARD WHEEL ASSEMBLY FOR CONDITIONING SAID FIRST MEANS TO CENTER THE REAR WHEEL ASSEMBLY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |