Patent US3353790A successfully refreshed from Google Patents.
US3353790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leveling device for vehicles
Assignee: Individual
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Filing: 1965-10-07
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Granted: 1967-11-21
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Expires: 1985-10-07
Abstract
No abstract record available.
Inventors
- 👤 Paul D Drier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:29
CPC Classifications
B; B60; B60S; B60S9/00; B60S9/02; B60S9/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
APPARATUS FOR LEVELING A WHEELED VEHICLE OF THE TYPE HAVING AT LEAST ONE PAIR OF AXIALLY ALIGNED WHEELS SPACED TRANSVERSELY OF THE VEHICLE COMPRISING; AN ELONGATED BODY; GROUND ENGAGING MEANS AT ONE END OF SAID BODY; MEANS AT THE OTHER END OF SAID BODY FOR RAISING AND LOWERING SAID BODY OTHER END WITH RESPECT TO THE GROUND AND A CRADLE INTERMEDIATE SAID BODY ONE END AND SAID BODY OTHER END FOR RECEIVING AND SUPPORTING ONE OF THE WHEELS OF SAID PAIR WHEREBY RAISING AND LOWERING SAID BODY OTHER END RAISES AND LOWERS SAID WHEEL RESPECTIVELY TO BRING SAID VEHICLE TO A LEVEL CONDITION; SAID BODY COMPRISING A USHAPED FRAME OF METAL, HAVING TWO LEGS; SAID GROUND ENGAGING MEANS COMPRISING THE OUTER ENDS OF SAID TWO LEGS; AND SAID CRADLE COMPRISING AN UPWARDLY CONCAVE ELEMENT EXTENDING BETWEEN AND SECURED TO SAID TWO LEGS INTERMEDIATE THE ENDS OF SAID BODY, THE CONCAVE ELEMENT BEING CURVED ABOUT AN AXIS EXTENDING IN THE DIRECTION OF THE ELONGATION OF SAID BODY.
Claim 2
Dependent Claim
166 words
APPARATUS FOR LEVELING A WHEELED VEHICLE OF THE TYPE HAVING AT LEAST ONE PAIR OF AXIALLY ALIGNED WHEELS SPACED TRANSVERSELY OF THE VEHICLE COMPRISING; AN ELONGATED BODY; GROUND ENGAGING MEANS AT ONE END OF SAID BODY; MEANS AT THE OTHER END OF SAID BODY FOR RAISING AND LOWERING SAID BODY OTHER END WITH RESPECT TO THE GROUND AND A CRADLE INTERMEDIATE SAID BODY ONE END AND SAID BODY OTHER END FOR RECEIVING AND SUPPORTING ONE OF THE WHEELS OF SAID PAIR WHEREBY RAISING AND LOWERING SAID BODY OTHER END RAISES AND LOWERS SAID WHEEL RESPECTIVELY TO BRING SAID VEHICLE TO A LEVEL CONDITION; SAID BODY COMPRISING A USHAPED FRAME OF METAL, HAVING TWO LEGS; SAID GROUND ENGAGING MEANS COMPRISING THE OUTER ENDS OF SAID TWO LEGS; AND SAID CRADLE COMPRISING AN UPWARDLY CONCAVE ELEMENT EXTENDING BETWEEN AND SECURED TO SAID TWO LEGS INTERMEDIATE THE ENDS OF SAID BODY, THE CONCAVE ELEMENT BEING CURVED ABOUT AN AXIS EXTENDING IN THE DIRECTION OF THE ELONGATION OF SAID BODY.
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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |