Intra-ocular lens system having tunable electro-active lens elements
CA 2586280 C · Owner: E-Vision, Llc · Inventors: Blum, Ronald D.; Kokonaski, William
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An intraocular lens system comprises an intra-ocular lens an electro-active , lens , element powered by an electric power source and optically communicating with the intraocular, lens to provide variable power and a piezoelectric element communicating with the power source for generating charges in response to eye ciliary body mechanical , forces.
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 October 31, 2005 and granted September 22, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 31, 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.