Gull wing door trailer
CA 1235722 A · Owner: Wabash National Corporation · Inventors: Stinson, Donald B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A trailer having at least one gull wing door as well as conventional rear swing doors permits unhindered access to the interior of the trailer along the full length of the trailer at one time. Each gull wing door is pivoted longitudinally at the approximate center of the roof and includes a roof portion which extends outwardly from the pivot axis and an integral sidewall portion which extends downwardly to the bed of the trailer. Latch assemblies are incorporated to secure the doors to the trailer bed. A pair of hydraulic cylinders are pivotally secured between the roof portion of each door and fixed trailer frame elements and are oriented substantially horizontally when the door is in its …
Read the whole patent
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 April 26, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 26, 2005.
- 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.