Wheel for driving a flexible handrail
CA 2549414 C · Owner: Inventio Ag · Inventors: Novacek, Thomas; Illedits, Thomas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Wheel (10) for driving a flexible handrail of an escalator or moving walk. The wheel (10) can be turned about an axis of rotation and has a readily elastically deformable layer (30). The readily elastically deformable layer (30) is formed by a body that in itself is stable in form when it is free of stress. Arranged adjacent to an inner circumferential surface (31) of the readily elastically deformable layer (30) is an inner layer (20) that is stiffer than the readily elastically deformable layer (30). Adjacent to an outer circumferential surface (32) of the readily elastically deformable layer (30) is an outer layer (40) that is intended to rest against the handrail under static friction. …
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 5, 2006 and granted January 28, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 5, 2026.
- 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.