US3157239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Four wheel drive, two-engine, articulated frame tractor
Assignee: Motors Liquidation Co
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Filing: 1961-09-07
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Granted: 1964-11-17
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Expires: 1981-09-07
Abstract
No abstract record available.
Inventors
- 👤 Bernotas Ralph Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:39
CPC Classifications
B; B60; B60K; B60K7/00; B60D; B60D5/00; B60K17/00; B60K17/34; B60K17/354; B60K5/00; B60K5/08; B62; B62D; B62D49/00; B62D49/04; B62D53/00; B62D53/02; B62D53/021; E; E02; E02F; E02F9/00; E02F9/08; E02F9/0841; B60K17/04; B60K17/043; B60K17/046; B60K2007/0046; B60K2007/0061; B60K5/04; B60L; B60L2200/00; B60L2200/26; B60L2220/00; B60L2220/40; B60L2220/46; B60Y; B60Y2200/00; B60Y2200/20; B60Y2200/22; B60Y2200/221
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A VEHICLE COMPRISING A FIRST FRAME, A SECOND FRAME, GROUND-ENGAGING MEANS MOUNTED ON AND SUPPORTING EACH OF SAID FRAMES, A SUSPENSION MEMBER EXTENDING BETWEEN AND HAVING SPACED FIRST AND SECOND POINTS THEREON RESPECTIVELY PIVOTALLY CONNECTED TO SAID FRAMES, AND MEANS PIVOTALLY INTERCONNECTING SAID FRAMES AT A THIRD POINT SUBSTANTIALLY EQUIDISTANTLY SPACED FROM THE RESPECTIVE PIVOTAL CONNECTIONS OF SAID MEMBER TO SAID FRAMES FOR RELATIVE OSCILLATION OF THE LATTER ABOUT A HORIZONTAL LONGITUDINALLY EXTENDING AXIS THROUGH SAID THIRD POINT, SAID FIRST AND SECOND POINTS BEING LOCATED ON SAID FRAMES IN POSITIONS OFFSET FROM SAID HORIZONTAL AXIS SO THAT OSCILLATION OF ONE OF SAID FRAME SECTIONS RELATIVE TO THE OTHER ABOUT SAID HORIZONTAL AXIS CAUSES SAID MEMBER TO BE PLACED IN TENSION TO STABILIZE SUCH OSCILLATION.
Claim 2
Dependent Claim
124 words
A VEHICLE COMPRISING A FIRST FRAME, A SECOND FRAME, GROUND-ENGAGING MEANS MOUNTED ON AND SUPPORTING EACH OF SAID FRAMES, A SUSPENSION MEMBER EXTENDING BETWEEN AND HAVING SPACED FIRST AND SECOND POINTS THEREON RESPECTIVELY PIVOTALLY CONNECTED TO SAID FRAMES, AND MEANS PIVOTALLY INTERCONNECTING SAID FRAMES AT A THIRD POINT SUBSTANTIALLY EQUIDISTANTLY SPACED FROM THE RESPECTIVE PIVOTAL CONNECTIONS OF SAID MEMBER TO SAID FRAMES FOR RELATIVE OSCILLATION OF THE LATTER ABOUT A HORIZONTAL LONGITUDINALLY EXTENDING AXIS THROUGH SAID THIRD POINT, SAID FIRST AND SECOND POINTS BEING LOCATED ON SAID FRAMES IN POSITIONS OFFSET FROM SAID HORIZONTAL AXIS SO THAT OSCILLATION OF ONE OF SAID FRAME SECTIONS RELATIVE TO THE OTHER ABOUT SAID HORIZONTAL AXIS CAUSES SAID MEMBER TO BE PLACED IN TENSION TO STABILIZE SUCH OSCILLATION.
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) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |