Hand-rail
CA 2343037 A1 · Owner: Semperit Aktiengesellschaft Holding · Inventors: Ledzinski, Janusz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a hand-rail that can be used for escalators moving , pavements and the like. The inventive hand-rail has a C-shaped cross-section outer layers in the form of a sliding layer (3) and a rubber top layer (2) for the user, a layer with tractive support elements especially steel chords that , are embedded in rubber and oriented in a longitudinal direction and at least , one respective reinforcing layer (5) extending into the lip areas on both sides of the tractive support elements. At least one of the reinforcing layers (5) consists of a rubber layer with homogeneously distributed short fibres (6) with a preferred orientation, extending at an angle deviating from 0~ …
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 August 27, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 27, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 27, 2021.
- 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.