Expired Canadian patentCanada
Escalator with riser brushes, step of such an escalator and method of modernising an escalator
CA 2527402 C · Owner: Inventio Ag · Inventors: Illedits, Thomas
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to an escalator with steps (1' 1) having a tread surface (6) and riser surface (7) wherein riser brushes (3) are arranged at the riser surface (7).
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 November 16, 2005 and granted April 29, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 16, 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.
FiledNovember 16, 2005
GrantedApril 29, 2014
Term endedNovember 16, 2025
Patent numberCA 2527402 C
Classification (IPC)B66B23/12 +1 more
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.