Patent US3231258A successfully refreshed from Google Patents.
US3231258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle suspension
Assignee: Rockwell-Standard Corp
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Filing: 1962-12-19
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Granted: 1966-01-25
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Expires: 1982-12-19
Abstract
No abstract record available.
Inventors
- 👤 Nelson R Brownyer
- 👤 Louis J Jelsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:44
CPC Classifications
B; B60; B60G; B60G9/00; B60G9/003; B60G11/00; B60G11/02; B60G11/10; B60G11/113; B60G11/32; B60G11/34; B60G11/46; B60G11/465; B60G17/00; B60G17/02; B60G17/04; B60G17/052; B60G2202/00; B60G2202/10; B60G2202/11; B60G2202/112; B60G2202/15; B60G2202/152; B60G2202/1524; B60G2204/00; B60G2204/10; B60G2204/12; B60G2204/121; B60G2204/126; B60G2204/40; B60G2204/43; B60G2204/4306; B60G2500/00; B60G2500/20; B60G2500/202
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
IN COMBINATION IN A VEHICLE, (1) A FRAME, (2) A TRANSVERSE AXLE ASSEMBLY BENEATH SAID FRAME, (3) AND A SPRING SUSPENSION CONNECTING SAID FRAME AND SAID AXLE ASSEMBLY COMPRISING AT EACH SIDE OF THE FRAME: (A) A LEAF SPRING UNIT CONSISTING ONLY OF A SINGLE SPRING LEAF, (B) MEANS PIVOTALLY CONNECTING THE OPPOSITE ENDS OF SAID SPRING LEAF TO SAID FRAME AND POSITIONING SAID SPRING LEAF TO EXTEND LONGITUDINALLY OF SAID FRAME LATERALLY OUTSIDE SAID FRAME, (C) MEANS SECURING SAID SPRING LEAF INTERMEDIATE ITS ENDS OF TO SAID AXLE ASSEMBLY, (D) A PAIR OF SPRING UNITS CONNECTED BETWEEN SAID AXLE ASSEMBLY AND SAID FRAME FORWARDLY AND REARWARDLY OF SAID AXLE ASSEMBLY, (E) AND A RIGID BEAM CONNECTED INTERMEDIATE ITS ENDS TO THE AXLE ASSEMBLY AND OPERATIVELY CONNECTED AT OPPOSITE ENDS TO SAID SPRING UNITS, AND (F) SAID SPRING UNITS BEING EXPANSIBLE AND CONTRACTIBLE ALONG ESSENTIALLY PARALLEL AXES DISPOSED LATERALLY OUTWARDLY OF SAID FRAME AND OF THE LONGITUDINAL CENTERLINE OF SAID SPRING LEAF.
Claim 2
Dependent Claim
162 words
IN COMBINATION IN A VEHICLE, (1) A FRAME, (2) A TRANSVERSE AXLE ASSEMBLY BENEATH SAID FRAME, (3) AND A SPRING SUSPENSION CONNECTING SAID FRAME AND SAID AXLE ASSEMBLY COMPRISING AT EACH SIDE OF THE FRAME: (A) A LEAF SPRING UNIT CONSISTING ONLY OF A SINGLE SPRING LEAF, (B) MEANS PIVOTALLY CONNECTING THE OPPOSITE ENDS OF SAID SPRING LEAF TO SAID FRAME AND POSITIONING SAID SPRING LEAF TO EXTEND LONGITUDINALLY OF SAID FRAME LATERALLY OUTSIDE SAID FRAME, (C) MEANS SECURING SAID SPRING LEAF INTERMEDIATE ITS ENDS OF TO SAID AXLE ASSEMBLY, (D) A PAIR OF SPRING UNITS CONNECTED BETWEEN SAID AXLE ASSEMBLY AND SAID FRAME FORWARDLY AND REARWARDLY OF SAID AXLE ASSEMBLY, (E) AND A RIGID BEAM CONNECTED INTERMEDIATE ITS ENDS TO THE AXLE ASSEMBLY AND OPERATIVELY CONNECTED AT OPPOSITE ENDS TO SAID SPRING UNITS, AND (F) SAID SPRING UNITS BEING EXPANSIBLE AND CONTRACTIBLE ALONG ESSENTIALLY PARALLEL AXES DISPOSED LATERALLY OUTWARDLY OF SAID FRAME AND OF THE LONGITUDINAL CENTERLINE OF SAID SPRING LEAF.
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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) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |