US3084970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle carrying tractor-trailer
Assignee: Individual
•
Filing: 1961-08-15
•
Granted: 1963-04-09
•
Expires: 1981-08-15
Abstract
No abstract record available.
Inventors
- 👤 Raymond N Day
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:23
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/06; B60P3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
A WHEELED TRACTOR-TRAILER COMBINATION FOR HAULING VEHICLES INCLUDING DUO REAR WHEELS COMPRISING A HEADRAMP FOR SAID TRACTOR, SAID HEADRAMP INCLUDING AT LEAST ONE PAIR OF ADJUSTABLE PARALLEL, COEXTENSIVE, PIVOTED RUNWAYS, MEANS ON SAID TRACTOR FOR RAISING AND LOWERING SAID PIVOTED RUNWAYS, SAID TRAILER INCLUDING A PLURALITY OF PAIRS OF PIVOTALLY OPPOSED ADJUSTABLE PARALLEL, COEXTENSIVE OVERHEAD PLATFORM RUNWAYS AND A PLURALITY OF PAIRS OF PIVOTED ADJUSTABLE PARALLEL, COEXTENSIVE BASE PLATFORM RUNWAYS, SAID TRAILER HAVING FRONT AND REAR STATIONARY OVERHEAD CROSS SUPPORTS SERVING AS FULCRUMS FOR SAID PIVOTALLY OPPOSED OVERHEAD RUNWAYS, SAID BASE PLATFORM RUNWAYS PASSING BETWEEN THE REAR WHEELS OF SAID TRAILER AND JUST ABOVE SAID WHEEL AXLES, SAID REAR CROSS SUPPORT BEING POSITIONED ON SAID TRAILER DIRECTLY ABOVE AND BETWEEN THE SPACE OCCUPIED BY SAID DUO REAR WHEELS TO PROVIDE LOADING CLEARANCE, MEANS ON SAID TRAILER FOR RAISING AND LOWERING SAID PIVOTED TRAILER RUNWAYS, SAID HEADRAMP AND SAID TRAILER HAVING STATIONARY PAIRS OF PARALLEL, COEXTENSIVE RUNWAYS COOPERATING WITH SAID PIVOTED HEADRAMP AND TRAILER RUNWAYS TO PERMIT LOADING, AND UNLOADING OF DIFFERENT TYPES AND SIZES OF VEHICLES.
Claim 2
Dependent Claim
176 words
A WHEELED TRACTOR-TRAILER COMBINATION FOR HAULING VEHICLES INCLUDING DUO REAR WHEELS COMPRISING A HEADRAMP FOR SAID TRACTOR, SAID HEADRAMP INCLUDING AT LEAST ONE PAIR OF ADJUSTABLE PARALLEL, COEXTENSIVE, PIVOTED RUNWAYS, MEANS ON SAID TRACTOR FOR RAISING AND LOWERING SAID PIVOTED RUNWAYS, SAID TRAILER INCLUDING A PLURALITY OF PAIRS OF PIVOTALLY OPPOSED ADJUSTABLE PARALLEL, COEXTENSIVE OVERHEAD PLATFORM RUNWAYS AND A PLURALITY OF PAIRS OF PIVOTED ADJUSTABLE PARALLEL, COEXTENSIVE BASE PLATFORM RUNWAYS, SAID TRAILER HAVING FRONT AND REAR STATIONARY OVERHEAD CROSS SUPPORTS SERVING AS FULCRUMS FOR SAID PIVOTALLY OPPOSED OVERHEAD RUNWAYS, SAID BASE PLATFORM RUNWAYS PASSING BETWEEN THE REAR WHEELS OF SAID TRAILER AND JUST ABOVE SAID WHEEL AXLES, SAID REAR CROSS SUPPORT BEING POSITIONED ON SAID TRAILER DIRECTLY ABOVE AND BETWEEN THE SPACE OCCUPIED BY SAID DUO REAR WHEELS TO PROVIDE LOADING CLEARANCE, MEANS ON SAID TRAILER FOR RAISING AND LOWERING SAID PIVOTED TRAILER RUNWAYS, SAID HEADRAMP AND SAID TRAILER HAVING STATIONARY PAIRS OF PARALLEL, COEXTENSIVE RUNWAYS COOPERATING WITH SAID PIVOTED HEADRAMP AND TRAILER RUNWAYS TO PERMIT LOADING, AND UNLOADING OF DIFFERENT TYPES AND SIZES OF VEHICLES.
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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) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |