Push button panel for an elevator
CA 2128299 C · Owner: Winter, Ari · Inventors: De Jong, Johannes; Winter, Ari
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 push button panel for an elevator. The push button panel comprises a front panel and push button areas provided on the front surface of the front panel. The front panel is made of a material having a high degree of rigidity. At least in the regions of the push button areas, the back surface of the front panel is provided with elements sensitive to pressure changes. The sensor element is connected by at least one signal conductor to the data transmission system of the elevator. The sensor element preferably consists of a film which when subjected, to mechanical work, produces an electrical signal.
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 July 18, 1994 and granted November 14, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 18, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 18, 2016.
- 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.