US3208615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flat bed trailer
Assignee: Individual
•
Filing: 1962-08-21
•
Granted: 1965-09-28
•
Expires: 1982-08-21
Abstract
No abstract record available.
Inventors
- 👤 Lloyd J Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:43
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/64; B60P1/6418; B60P1/6454
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
AN OPEN, FLAT BED TRAILER HAVING A BED INCLUDING FRONT AND REAR, PIVOTALLY CONNECTED SECTIONS, THE FRONT SECTION BEING ARRANGED FOR COUPLING SUPPORT ON THE REAR END OF A TRACTOR, AND AN AXLE ASSEMBLY RELATIVELY MOVABLE BETWEEN A POSITION NORMALLY SUPPORTING THE REAR SECTION AND IN WHICH POSITION THE BEDS OF THE FRONT AND REAR SECTIONS ARE IN COPLANAR RELATION AND A SELECTED POSITION FORWARD OF THE CENTER OF MASS OF THE CONNECTED SECTIONS, IN WHICH THE BED OF THE REAR SECTION IS FREED BY SUCH FORWARD MOVEMENT OF THE AXLE ASSEMBLY FOR GRAVITATIONAL DROP TO A POSITION IN INCLINED RELATION TO THE BED OF THE FRONT SECTION AND THE FRONT SECTION REMAINS SUBSTANTIALLY PARALLEL TO THE SURFACE ON WHICH THE TRAILER IS SUPPORTED, SAID AXLE ASSEMBLY INCLUDING AN ELEMENT TILTABLE ABOUT A TRANSVERSE AXIS AND HAVING A PAIR OF SURFACES RELATIVELY PROXIMATE TO AND REMOTE FROM SAID AXIS AND ADAPTED FOR ALTERNATIVE SUPPORTING ENGAGEMENT WITH THE BOTTOM OF SAID BED WHEN SAID ASSEMBLY IS IN ITS NORMAL POSITIONS AND POSITIONS FORWARD THEREOF, RESPECTIVELY.
Claim 2
Dependent Claim
174 words
AN OPEN, FLAT BED TRAILER HAVING A BED INCLUDING FRONT AND REAR, PIVOTALLY CONNECTED SECTIONS, THE FRONT SECTION BEING ARRANGED FOR COUPLING SUPPORT ON THE REAR END OF A TRACTOR, AND AN AXLE ASSEMBLY RELATIVELY MOVABLE BETWEEN A POSITION NORMALLY SUPPORTING THE REAR SECTION AND IN WHICH POSITION THE BEDS OF THE FRONT AND REAR SECTIONS ARE IN COPLANAR RELATION AND A SELECTED POSITION FORWARD OF THE CENTER OF MASS OF THE CONNECTED SECTIONS, IN WHICH THE BED OF THE REAR SECTION IS FREED BY SUCH FORWARD MOVEMENT OF THE AXLE ASSEMBLY FOR GRAVITATIONAL DROP TO A POSITION IN INCLINED RELATION TO THE BED OF THE FRONT SECTION AND THE FRONT SECTION REMAINS SUBSTANTIALLY PARALLEL TO THE SURFACE ON WHICH THE TRAILER IS SUPPORTED, SAID AXLE ASSEMBLY INCLUDING AN ELEMENT TILTABLE ABOUT A TRANSVERSE AXIS AND HAVING A PAIR OF SURFACES RELATIVELY PROXIMATE TO AND REMOTE FROM SAID AXIS AND ADAPTED FOR ALTERNATIVE SUPPORTING ENGAGEMENT WITH THE BOTTOM OF SAID BED WHEN SAID ASSEMBLY IS IN ITS NORMAL POSITIONS AND POSITIONS FORWARD THEREOF, RESPECTIVELY.
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |