Patent US3250546A successfully refreshed from Google Patents.
US3250546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leaf spring suspension system for motor vehicles
Assignee: Ford Motor Co
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Filing: 1964-10-16
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Granted: 1966-05-10
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Expires: 1984-10-16
Abstract
No abstract record available.
Inventors
- 👤 William D Allison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:48
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/32; B60G11/34; B60G11/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A MOTOR VEHICLE SUSPENSION SYSTEM HAVING A FRAME, A PAIR OF WHEELS, A RIGID AXLE HOUSING INTERCONNECTING SAID WHEELS, A PAIR OF LEAF SPRING MEMBERS, SAID LEAF SPRING MEMBERS HAVING THEIR FORWARD ENDS CONNECTED TO SAID FRAME AND THEIR REARWARD ENDS CONNECTED TO SAID FRAME, SAID AXLE HOUSING BEING CONNECTED TO SAID SPRING MEMBERS AT THEIR MIDPOINTS, THE FORWARD ENDS OF SAID SPRING MEMBERS BEING SPACED APART BY A GREATER AMOUNT THAN THEIR REARWARD ENDS, MEANS CONNECTING EACH OF SAID REARWARD SPRING MEMBER ENDS TO SAID FRAME, EACH OF SAID MEANS COMPRISING A CUP-SHAPED APERTURE FORMED IN THE END OF ONE OF SAID SPRING MEMBERS, A CUP-SHAPED APERTURE FORMED IN A FRAME MOUNTED BRACKET, A LINK EXTENDING THROUGH SAID APERTURES, A COMPLEMENTARY RUBBER BUSHING INTERCONNECTING EACH OF THE ENDS OF SAID LINK WITH SAID SPRING MEMBER END AND SAID FRAME MOUNTED BRACKET, RESPECTIVELY.
Claim 2
Dependent Claim
143 words
A MOTOR VEHICLE SUSPENSION SYSTEM HAVING A FRAME, A PAIR OF WHEELS, A RIGID AXLE HOUSING INTERCONNECTING SAID WHEELS, A PAIR OF LEAF SPRING MEMBERS, SAID LEAF SPRING MEMBERS HAVING THEIR FORWARD ENDS CONNECTED TO SAID FRAME AND THEIR REARWARD ENDS CONNECTED TO SAID FRAME, SAID AXLE HOUSING BEING CONNECTED TO SAID SPRING MEMBERS AT THEIR MIDPOINTS, THE FORWARD ENDS OF SAID SPRING MEMBERS BEING SPACED APART BY A GREATER AMOUNT THAN THEIR REARWARD ENDS, MEANS CONNECTING EACH OF SAID REARWARD SPRING MEMBER ENDS TO SAID FRAME, EACH OF SAID MEANS COMPRISING A CUP-SHAPED APERTURE FORMED IN THE END OF ONE OF SAID SPRING MEMBERS, A CUP-SHAPED APERTURE FORMED IN A FRAME MOUNTED BRACKET, A LINK EXTENDING THROUGH SAID APERTURES, A COMPLEMENTARY RUBBER BUSHING INTERCONNECTING EACH OF THE ENDS OF SAID LINK WITH SAID SPRING MEMBER END AND SAID FRAME MOUNTED BRACKET, RESPECTIVELY.
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) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |