Breathable waterproof sole for shoes
CA 2761301 C · Owner: Geox S.P.A. · Inventors: Ferrarese, Antonio; Mattioni, Bruno; Polegato Moretti, Mario
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A waterproof breathable sole for shoes which comprises, for at least part of its extension at least two structural layers, a lower one provided with a supporting structure so as to form the tread and an upper one that is permeable to water vapor. The lower layer has portions that are open onto the upper layer. A coating obtained by means of a plasma deposition treatment for waterproofing is provided on the upper layer. In this manner a layer is obtained that has structural functions and characteristics of resistance to damage and is at the same time waterproof and breathable.
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 December 27, 2004 and granted March 15, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 27, 2024.
- 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.