Dumpers
CA 1098934 A · Owner: Societe Anonyme Secmafer · Inventors: Boyer, Jean-Jacques
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to tip lorries. The dumper is of the type comprising a chassis frame provided with at least four carrying wheels 2 two of which at, least being driving wheels with a tipper articulated on the, chassis frame about an axis 30 situated in the vicinity of one end of the chassis frame above and outwardly of the wheel axis corresponding to said end, the bottom of the tipper enveloping while it tips a cylindrical sector surface with a radius superior to the radius of the wheels 2b situated at said end wherein a driver's cab 28 is lodged between said wheels 2b inside the volume limited by said cylindrical sector surface. This invention is used in units with a carrying …
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 7, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 7, 1998.
- 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.