US3211468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle suspension mechanism
Assignee: Differential Steel Car Co
•
Filing: 1962-07-18
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Granted: 1965-10-12
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Expires: 1982-07-18
Abstract
No abstract record available.
Inventors
- 👤 Flowers Fred Fort
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 12:51
CPC Classifications
B; B60; B60G; B60G5/00; B60G5/005; B60G11/00; B60G11/32; B60G11/48; B60G11/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
IN COMBINATION WITH A VEHICLE FRAME, SUSPENSION MEANS COMPRISING A TUBULAR AXLE HAVING A JOURNAL BEARING AT EACH OPPOSITE END, A PAIR OF SLEEVES EACH LOOSELY SURROUNDING THE AXLE WITH THEIR OUTER ENDS FASTENED THERETO INWARDLY OF THE JOURNAL BEARING, A LONGITUDINALLY EXTENDING ARM ATTACHED TO EACH SLEEVE AT ITS OPPOSITE END, THE FRONT END OF EACH SAID ARM BEING ELASTICALLY CONNECTED WITH THE VEHICLE FRAME, A SPRING HOUSING ON EACH ARM ADJACENT TO THE SLEEVE, AND COMPRESSION SPRINGS WITHIN THE HOUSING SUPPORTING THE VEHICLE FRAME.
Claim 2
Dependent Claim
86 words
IN COMBINATION WITH A VEHICLE FRAME, SUSPENSION MEANS COMPRISING A TUBULAR AXLE HAVING A JOURNAL BEARING AT EACH OPPOSITE END, A PAIR OF SLEEVES EACH LOOSELY SURROUNDING THE AXLE WITH THEIR OUTER ENDS FASTENED THERETO INWARDLY OF THE JOURNAL BEARING, A LONGITUDINALLY EXTENDING ARM ATTACHED TO EACH SLEEVE AT ITS OPPOSITE END, THE FRONT END OF EACH SAID ARM BEING ELASTICALLY CONNECTED WITH THE VEHICLE FRAME, A SPRING HOUSING ON EACH ARM ADJACENT TO THE SLEEVE, AND COMPRESSION SPRINGS WITHIN THE HOUSING SUPPORTING THE VEHICLE FRAME.
References Cited (Backward Citations)
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Cited
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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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |