Sling device for a piece with force compensation and hoisting system comprising the same
CA 2606557 C · Owner: Datas, Jean-Marc · Inventors: Claraz, Pascal; Datas, Jean-Marc
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 sling device for a piece (1) comprising a sling (3) provided with a non-extending piece (3a 3b) and a section (3c) with spring means (10 10') permitting an elastic lengthening or shortening under load of a limited given amplitude for the sling (3) in response to a limited given change in load on the piece (1).
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 April 27, 2006 and granted July 16, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 27, 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.