Dental light devices having an improved heat sink
CA 2572548 C · Owner: Shabany, Younes · Inventors: Hayman, Robert; Shabany, Younes; Rose, Eric P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a heat sink material (1200) that can more efficiently remove or divert heat from a light source (1300) or sources with a given weight of heat sink material (1200) when compared to a heat sink made of a solid block of thermally conductive material such as metal. It further relates to a heat sink that can more efficiently remove or divert heat from a curing light device (1000) when a reduced weight of heat sink material is used. The inventive heat sink (1200) has at least one suitable phase change material including organic materials, inorganic materials and combinations thereof. These materials can undergo substantially reversible phase changes and …
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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 30, 2005 and granted September 2, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 30, 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.