US3266815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torsion-free articulated vehicle suspension
Assignee: Individual
•
Filing: 1964-12-14
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Granted: 1966-08-16
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Expires: 1984-12-14
Abstract
No abstract record available.
Inventors
- 👤 Muriel J Bishop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:57
CPC Classifications
B; B60; B60G; B60G1/00; B60G21/00; B60G21/02; B60G21/04; B62; B62B; B62B3/00; B62B3/001; B62D; B62D13/00; B62D13/04; B62D21/00; B62D21/18; B62D21/186; B62D61/00; B62D63/00; B62D63/06; B62D63/062; B62D63/064; B62D7/00; B62D7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
A VEHICLE COMPRISING, IN COMBINATION: A FLEXIBLE RECTANGULAR FRAME INCLUDING FOUR CORNERPIECES EACH HAVING A PAIR OF MUTUALLY PERPENDICULAR CYLINDRICAL OPENINGS THEREIN, A PAIR OF LONGITUDINALLY EXTENDING SIDE TUBES EACH HAVING A RESPECTIVE END THEREOF RECEIVED IN ONE OPENING OF A CORRESPONDING ONE OF SAID CORNERPIECES, A PAIR OF TRANSVERSELY EXTENDING END TUBES EACH HAVING A RESPECTIVE END THEREOF RECEIVED IN ONE OPENING OF A CORRESPONDING ONE OF SAID CORNERPIECES, A PAIR OF TRANSVERSELY EXTENDING END TUBES EACH HAVING A RESPECTIVE END THEREOF DISPOSED WITHIN THE OTHER OPENING OF A CORRESPONDING ONE OF SAID CORNER PIECES, SAID ENDS OF SAID SIDE TUBES AND SAID END TUBES BEING ROTATABLE RELATIVE TO SAID CORNERPIECES; FOUR WHEELS CARRIED BY RESPECTIVE ONES OF SAID CORNERPIECES AND ADAPTED TO SUPPORT SAID VEHICLE FOR LONGITUDINAL MOVEMENT; A RIGID FRAME; AND MEANS PIVOTALLY CONNECTING THE LONGITUDINAL CENTER OF EACH SAID SIDE TUBES AND EACH OF SAID END TUBES TO CORRESPONDING SEPARATE POINTS ON SAID RIGID FRAME WHEREBY SAID CORNERPIECES OF SAID FLEXIBLE FRAME ARE PERMITTED TO MOVE AND DOWN RELATIVE TO SAID RIGID FRAME AND TO EACH OTHER.
Claim 2
Dependent Claim
181 words
A VEHICLE COMPRISING, IN COMBINATION: A FLEXIBLE RECTANGULAR FRAME INCLUDING FOUR CORNERPIECES EACH HAVING A PAIR OF MUTUALLY PERPENDICULAR CYLINDRICAL OPENINGS THEREIN, A PAIR OF LONGITUDINALLY EXTENDING SIDE TUBES EACH HAVING A RESPECTIVE END THEREOF RECEIVED IN ONE OPENING OF A CORRESPONDING ONE OF SAID CORNERPIECES, A PAIR OF TRANSVERSELY EXTENDING END TUBES EACH HAVING A RESPECTIVE END THEREOF RECEIVED IN ONE OPENING OF A CORRESPONDING ONE OF SAID CORNERPIECES, A PAIR OF TRANSVERSELY EXTENDING END TUBES EACH HAVING A RESPECTIVE END THEREOF DISPOSED WITHIN THE OTHER OPENING OF A CORRESPONDING ONE OF SAID CORNER PIECES, SAID ENDS OF SAID SIDE TUBES AND SAID END TUBES BEING ROTATABLE RELATIVE TO SAID CORNERPIECES; FOUR WHEELS CARRIED BY RESPECTIVE ONES OF SAID CORNERPIECES AND ADAPTED TO SUPPORT SAID VEHICLE FOR LONGITUDINAL MOVEMENT; A RIGID FRAME; AND MEANS PIVOTALLY CONNECTING THE LONGITUDINAL CENTER OF EACH SAID SIDE TUBES AND EACH OF SAID END TUBES TO CORRESPONDING SEPARATE POINTS ON SAID RIGID FRAME WHEREBY SAID CORNERPIECES OF SAID FLEXIBLE FRAME ARE PERMITTED TO MOVE AND DOWN RELATIVE TO SAID RIGID FRAME AND TO EACH OTHER.
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |