Vehicle designed to travel along at least one rail
CA 2511075 C · Owner: Nast, Jean-Daniel · Inventors: Nast, Jean-Daniel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The vehicle designed to travel along at least one rail includes a body (3) a lifting device on which, when in operation the body (3) is supported following a main support position (P) using suspension means (12) located between the body (3) and the lifting device to allow a relative movement between the body (3) and the lifting device along the main support position. The suspension means include at least one air suspension with a membrane (12) comprising a first connector (34) linked to the lifting device a second connector (33) secured to the body (3) and a deformable membrane (35) defining a sealed cavity (C) between the first and second connector this cavity receiving a compressible …
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
- Filed June 28, 2005 and granted January 13, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 28, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.