US3224522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle spring and axle loading control system
Assignee: Olson Trailer and Body Builders Co
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Filing: 1962-10-30
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Granted: 1965-12-21
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Expires: 1982-10-30
Abstract
No abstract record available.
Inventors
- 👤 Donald J Fleming
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:49
CPC Classifications
B; B60; B60G; B60G17/00; B60G17/02; B60G17/033; B62; B62D; B62D61/00; B62D61/12; B62D61/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
IN A VEHICLE HAVING A DRIVE AXLE AND A TAG AXLE, WHEELS ON BOTH AXLES, AND A FRAME ABOVE SAID AXLES; THE COMBINATION WITH SAID AXLES, OF A SPRING SYSTEM SUPPORTING THE FRAME AND INCLUDING AT EACH SIDE OF THE FRAME A FIRST SPRING HAVING A CONNECTION AT ITS FRONT END WITH THE FRAME AND HAVING A CONNECTION INTERMEDIATE ITS ENDS WITH THE DRIVE AXLE, AND A SECOND SPRING HAVING A CONNECTION AT ITS FRONT END WITH THE REAR END OF THE FIRST SPRING AND HAVING A PIVOTAL CONNECTION INTERMEDIATE ITS ENDS WITH THE FRAME AND HAVING A CONNECTION AT ITS REAR END WITH THE TAG AXLE; FIRST AND SECOND AIR SPRINGS FOR WHICH THE FRAME IS PROVIDED WITH SEATS RESPECTIVELY FORWARDLY OF THE SAID PIVOTAL CONNECTION AND REARWARDLY THEREOF, MEANS FOR IMPOSING FIRST AIR SPRING THRUST ON THE CONNECTED ENDS OF THE FIRST AND SECOND SPRINGS, AND MEANS FOR IMPOSING SECOND AIR SPRING THRUST ON THE TAG AXLE.
Claim 2
Dependent Claim
159 words
IN A VEHICLE HAVING A DRIVE AXLE AND A TAG AXLE, WHEELS ON BOTH AXLES, AND A FRAME ABOVE SAID AXLES; THE COMBINATION WITH SAID AXLES, OF A SPRING SYSTEM SUPPORTING THE FRAME AND INCLUDING AT EACH SIDE OF THE FRAME A FIRST SPRING HAVING A CONNECTION AT ITS FRONT END WITH THE FRAME AND HAVING A CONNECTION INTERMEDIATE ITS ENDS WITH THE DRIVE AXLE, AND A SECOND SPRING HAVING A CONNECTION AT ITS FRONT END WITH THE REAR END OF THE FIRST SPRING AND HAVING A PIVOTAL CONNECTION INTERMEDIATE ITS ENDS WITH THE FRAME AND HAVING A CONNECTION AT ITS REAR END WITH THE TAG AXLE; FIRST AND SECOND AIR SPRINGS FOR WHICH THE FRAME IS PROVIDED WITH SEATS RESPECTIVELY FORWARDLY OF THE SAID PIVOTAL CONNECTION AND REARWARDLY THEREOF, MEANS FOR IMPOSING FIRST AIR SPRING THRUST ON THE CONNECTED ENDS OF THE FIRST AND SECOND SPRINGS, AND MEANS FOR IMPOSING SECOND AIR SPRING THRUST ON THE TAG AXLE.
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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |