Travelator, moving ramp or escalator
CA 2547920 C · Owner: Kone Corporation · Inventors: Aulanko, Esko; Mustalahti, Jorma; Ossendorf, Marc
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A travelator, moving ramp or escalator for transporting passengers comprising , a conveyor and a frame supported on a fixed structure on which frame the , conveyor , is mounted. The frame comprises a number of mutually identical profiled metallic , bodies joined together end to end one after the other and containing coupling supporting and/or guide elements integrated in the said one profiled metallic body of , solid material.
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 December 31, 2004 and granted December 18, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 31, 2024.
- 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.