Patent US3123377A successfully refreshed from Google Patents.
US3123377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
hutchens
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:18
CPC Classifications
B; B60; B60G; B60G5/00; B60G5/04; B60G5/047
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
TANDEM ASSEMBLY COMPRISING: OPPOSED LONGITUDINALLY SPACED APART FRONT AND REAR LEAF SPRING ASSEMBLIES; OPPOSED FORWARD, INTERMEDIATE AND REARWARD SPRING HANGER BRACKETS RECEIVING THE RESPECTIVE ENDS OF EACH SPRING ASSEMBLY; OPPOSED FRONT AND REAR AXLE HOUSING MEANS JOINED TO EACH OF SAID SPRING ASSEMBLIES FOR RECEIVING TRANSVERSE TRAILER AXLES; OPPOSED FRONT TORQUE RODS PIVOTALLY JOINED AT THEIR FORWARD ENDS TO EACH FRONT SPRING HANGER BRACKET AND PIVOTALLY JOINED AT THEIR REARWARD ENDS TO EACH FRONT AXLE HOUSING ABOVE THE RESPECTIVE AXIS OF WHEEL ROTATION, AND OPPOSED REAR TORQUE RODS, EACH PIVOTALLY JOINED AT THE FORWARD END TO SAID INTERMEDIATE SPRING HANGER BRACKETS AND PIVOTALLY JOINED AT ITS REARWARD END TO EACH REAR AXLE HOUSING MEANS BELOW THE RESPECTIVE WHEEL AXIS OF ROTATION, THE AXIS OF SAID REAR TORQUE ARMS BEING INCLINED TO THE HORIZONTAL A GREATER DEGREE THAN THAT ANGLE OF SAID FRONT TORQUE ARMS.
Claim 2
Dependent Claim
144 words
TANDEM ASSEMBLY COMPRISING: OPPOSED LONGITUDINALLY SPACED APART FRONT AND REAR LEAF SPRING ASSEMBLIES; OPPOSED FORWARD, INTERMEDIATE AND REARWARD SPRING HANGER BRACKETS RECEIVING THE RESPECTIVE ENDS OF EACH SPRING ASSEMBLY; OPPOSED FRONT AND REAR AXLE HOUSING MEANS JOINED TO EACH OF SAID SPRING ASSEMBLIES FOR RECEIVING TRANSVERSE TRAILER AXLES; OPPOSED FRONT TORQUE RODS PIVOTALLY JOINED AT THEIR FORWARD ENDS TO EACH FRONT SPRING HANGER BRACKET AND PIVOTALLY JOINED AT THEIR REARWARD ENDS TO EACH FRONT AXLE HOUSING ABOVE THE RESPECTIVE AXIS OF WHEEL ROTATION, AND OPPOSED REAR TORQUE RODS, EACH PIVOTALLY JOINED AT THE FORWARD END TO SAID INTERMEDIATE SPRING HANGER BRACKETS AND PIVOTALLY JOINED AT ITS REARWARD END TO EACH REAR AXLE HOUSING MEANS BELOW THE RESPECTIVE WHEEL AXIS OF ROTATION, THE AXIS OF SAID REAR TORQUE ARMS BEING INCLINED TO THE HORIZONTAL A GREATER DEGREE THAN THAT ANGLE OF SAID FRONT TORQUE ARMS.
References Cited (Backward Citations)
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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) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |