Patent US3149690A successfully refreshed from Google Patents.
US3149690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable roll rate swing axle suspension
Assignee: Motors Liquidation Co
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Filing: 1962-08-27
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Granted: 1964-09-22
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Expires: 1982-08-27
Abstract
No abstract record available.
Inventors
- 👤 John W Rosenkrands
- 👤 Manfred A Isaacson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:38
CPC Classifications
B; B60; B60G; B60G21/00; B60G21/02; B60G21/04; B60G21/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN A VEHICLE SUSPENSION, A PAIR OF OPPOSITELY EXTENDING CONTROL ARMS EACH HAVING A ROAD WHEEL MOUNTED ON THE OUTER END THEREOF, SEPARATE TORSIONALLY ELASTIC SPRING MEANS ENGAGING EACH CONTROL ARM, A DOUBLE ARM LEVER TYPE ANCHOR FOR EACH SPRING PIVOTALLY MOUNTED ON SAID VEHICLE, AND A PAIR OF STRUTS DISPOSED AT OPPOSITE SIDES OF A COMMON PLANE CONTAINING THE AXES OF ROTATION OF THE PIVOTAL CONNECTIONS FOR EACH ANCHOR, ONE OF SAID STRUTS BEING LONGER THAN THE OTHER, AND MEANS PIVOTALLY CONNECTING SAID STRUTS TO SAID ANCHORS IN SPACED RELATION FROM THE AXES OF ROTATION OF THE LATTER.
Claim 2
Dependent Claim
99 words
IN A VEHICLE SUSPENSION, A PAIR OF OPPOSITELY EXTENDING CONTROL ARMS EACH HAVING A ROAD WHEEL MOUNTED ON THE OUTER END THEREOF, SEPARATE TORSIONALLY ELASTIC SPRING MEANS ENGAGING EACH CONTROL ARM, A DOUBLE ARM LEVER TYPE ANCHOR FOR EACH SPRING PIVOTALLY MOUNTED ON SAID VEHICLE, AND A PAIR OF STRUTS DISPOSED AT OPPOSITE SIDES OF A COMMON PLANE CONTAINING THE AXES OF ROTATION OF THE PIVOTAL CONNECTIONS FOR EACH ANCHOR, ONE OF SAID STRUTS BEING LONGER THAN THE OTHER, AND MEANS PIVOTALLY CONNECTING SAID STRUTS TO SAID ANCHORS IN SPACED RELATION FROM THE AXES OF ROTATION OF THE LATTER.
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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |