Construction system for constructing plane structures
CA 2567882 C · Owner: Van Der Lee, Leonardus Johannes Maria · Inventors: Van Der Lee, Leonardus Johannes Maria
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 plane structure such as a wall, floor, ceiling or , roof comprising profiles (3A) extending mutually parallel in a first direction, elements (1) which can be coupled releasably to the profiles wherein a profile extends on both sides of an element and wherein the elements are coupled to both adjacent profiles. The invention also relate to the elements and profiles for use in this structure as well as to the method for , building such a structure. An automatic positioning of the elements is created as a result of these measures; this then no longer depends on the skill of the builder. Owing to the releasability of the coupling the elements can simply be …
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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 June 10, 2005 and granted January 15, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 10, 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.
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.