US3151880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interconnecting unit for tandem hauling of semi-trailers
Assignee: Pullman Inc
•
Filing: 1961-06-29
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Granted: 1964-10-06
•
Expires: 1981-06-29
Abstract
No abstract record available.
Inventors
- 👤 James J Black
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:35
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/04; B62D53/08; B62D53/0857; B62D53/0864; B60; B60P; B60P1/00; B60P1/64; B60P1/6418; B60P1/6481; B60S; B60S9/00; B60S9/14; Y; Y10; Y10S; Y10S280/00; Y10S280/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
103 words
TANDEM TRANSPORTING APPARATUS COMPRISING AT LEAST TWO ALIGNED CHASSIS, CARGO BODIES ON SAID CHASSIS, EACH SAID CHASSIS HAVING AN UPPER FIFTH WHEEL AND KINGPIN AT EACH END THEREOF, A TRACTOR VEHICLE HAVING A LOWER FIFTH WHEEL IN SUPPORTING ENGAGEMENT WITH THE UPPER FIFTH WHEEL IN THE FORWARD CHASSIS, ARTICULATORS IN SUPPORTING ENGAGEMENT WITH THE REMAINING UPPER FIFTH WHEELS, THE ADJACENT ARTICULATORS OF RESPECTIVE CHASSIS BEING COUPLED FOR PIVOTAL MOVEMENT ABOUT A HORIZONTAL AXIS AND FIXED AGAINST PIVOTAL MOVEMENT ABOUT A VERTICAL AXIS, AND MEANS FIXING THE REARWARD ARTICULATOR OF EACH CHASSIS AGAINST PIVOTAL MOVEMENT WITH RESPECT TO ITS CHASSIS ABOUT A VERTICAL AXIS.
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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) | 1967-10-06 | 1968-04-06 | 1968-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-06 | 1972-04-06 | 1972-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-06 | 1976-04-06 | 1976-10-06 | $7700.00 | Window Closed / Lapsed |