Trailer and trailer unloading system
CA 1301706 C · Owner: Wabash National Corporation · Inventors: Fenton, E. Dale
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Title:, IMPROVED TRAILER AND TRAILER UNLOADING SYSTEM Inventor:, E. Dale Fenton, ABSTRACT OF THE DISCLOSURE A trailer for unloading onto the ground or like surface using an unarticulated frame and no power sources other than the tractor or prime mover is disclosed. The frame supports three rows of overlapping transverse rollers and has a tailend roller substantially across its width. A wheeled carriage is mounted to the underside of the frame so that it, can be longitudinally shifted. When mounted on a conventional "fifth wheel" connection to the tractor shifting of, the carriage forward lowers the tail end of the frame which pivots downward about the connection to the trailer. Shifting the …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted May 26, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 26, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.