A toy building set
CA 2596581 C · Owner: Lego A/S · Inventors: Andersen, Henrik
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A toy building set with toy building elements with coupling means for releasably interconnecting the toy building elements which further comprises , outer and inner toy building elements with a longitudinal direction. The inner toy building elements are receivable in the outer toy building elements and , the inner toy building elements are slideable in the outer toy building elements along their parallel longitudinal directions. The outer toy building elements can be interconnected in their longitudinal directions to form a composite outer toy building element, and the inner toy building elements can be interconnected in their longitudinal directions to form a composite inner toy …
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 February 8, 2006 and granted August 7, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 8, 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.