Personal cooling element, particularly for patients
CA 2555044 C · Owner: Unico Swiss Tex Gmbh · Inventors: Selm, Baerbel; Weder, Markus; Wuest, Benno
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A personal cooling element for patients comprises at least one cooling zone (2) that can be pre-tensioned against the body surface (10) of a person wearing the personal cooling element. The cooling zone (2) is three-layered with an internal layer (4) that faces towards the body an external layer (6) , that faces away from the body and an evaporation zone (8) that is located therebetween. The internal layer (4) and the external layer (6) each are made from a material that is waterproof and permeable to water vapor. Water supply means (14, 16) are present to supply the evaporation zone (8) with liquid water.
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 1, 2005 and granted August 7, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 1, 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.