Streamlined trailer
CA 1071266 A · Owner: Forest Engineering Research Institute Of Canada · Inventors: Garner, G. John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A trailer for a tractor-trailer vehicle wherein the trailer box is faired to reduce wind drag characteristics. The trailer has a bottom wall with a stepped down portion faired at the leading end and merging into the rear wheel cavity by a concave portion tapering upwardly and outwardly. The leading end of the trailer is rounded and is preferably elliptical in shape and the top nose of the trailer is also rounded and again preferably elliptical in shape. The longitudinal top edges of the trailer are rounded as are also the rear edges. The stepped down bottom portion can provide additional cargo capacity or alternatively, a separate compartment.
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 February 5, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 5, 1997.
- 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.