Control device and control method for a lift installation with multiple cage
CA 2448156 C · Owner: Kostka, Miroslav · Inventors: Kostka, Miroslav
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 control device for controlling a lift installation with a multiple cage (4) by means of which multiple cage (4) several storeys of a building can be simultaneously served by one stop and which multiple cage (4) has a plurality of cage decks (5 6), which are simultaneously accessible at a main stopping point (HH) by way of different main stopping planes ("1 "2"), wherein a call registering device (11) by means of which a passenger (P) can input his or her destination storey is provided at the main stopping point (HH). In order to enable a more rapid filling of the building it is proposed in accordance with the invention to provide a conversion unit (SUPU) which is …
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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 4, 2003 and granted September 13, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 4, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 4, 2025.
- 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.