Patent US3799224A successfully refreshed from Google Patents.
Patent US3254901A successfully refreshed from Google Patents.
US3254901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bogie assembly for trailers
Assignee: Rockwell-Standard Corp
•
Filing: 1964-02-24
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Granted: 1966-06-07
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Expires: 1984-02-24
Abstract
No abstract record available.
Inventors
- 👤 Frank H Fisher
- 👤 William G Haniey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:39
CPC Classifications
B; B62; B62D; B62D13/00; B62D13/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN A BOGIE STRUCTURE FOR A HEAVY DUTY VEHICLE HAVING A FRAME, A LONGITUDINAL WALKING BEAM, A TRANSVERSE TRUNNION MEMBER RIGIDLY MOUNTED ON SAID BEAM INTERMEDIATE ITS ENDS, MEANS FOR PIVOTING THE WALKING BEAM ON A TRANSVERSE AXIS ON THE FRAME COMPRISING PIVOT MEMBERS MOUNTED ON THE FRAME SPACED SUBSTANTIALLY EQUIDISTANTLY FROM THE OPPOSITE SIDES OF SAID BEAM FOR FREELY ROTATABLY MOUNTING THE OPPOSITE ENDS OF SAID TRUNNION MEMBER, A PAIR OF RELATIVELY SHORT TRANSVERSE AXLES SUPPORTED AT OPPOSITE ENDS BY GROUND ENGAGING WHEELS DISPOSED AT OPPOSITE SIDES OF SAID WALKING BEAM, AND MEANS NON-ROTATABLY CONNECTING THE OPPOSITE END OF SAID BEAM TO THE RESPECTIVE AXLES.
Claim 2
Dependent Claim
106 words
IN A BOGIE STRUCTURE FOR A HEAVY DUTY VEHICLE HAVING A FRAME, A LONGITUDINAL WALKING BEAM, A TRANSVERSE TRUNNION MEMBER RIGIDLY MOUNTED ON SAID BEAM INTERMEDIATE ITS ENDS, MEANS FOR PIVOTING THE WALKING BEAM ON A TRANSVERSE AXIS ON THE FRAME COMPRISING PIVOT MEMBERS MOUNTED ON THE FRAME SPACED SUBSTANTIALLY EQUIDISTANTLY FROM THE OPPOSITE SIDES OF SAID BEAM FOR FREELY ROTATABLY MOUNTING THE OPPOSITE ENDS OF SAID TRUNNION MEMBER, A PAIR OF RELATIVELY SHORT TRANSVERSE AXLES SUPPORTED AT OPPOSITE ENDS BY GROUND ENGAGING WHEELS DISPOSED AT OPPOSITE SIDES OF SAID WALKING BEAM, AND MEANS NON-ROTATABLY CONNECTING THE OPPOSITE END OF SAID BEAM TO THE RESPECTIVE AXLES.
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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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |