Anterior chamber intraocular lens
CA 1181202 A · Owner: Kelman, Charles D. · Inventors: Kelman, Charles D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract An intraocular lens for use as an artificial lens implant anteriorly of the iris which has at least a pair of position fixation elements providing a multi-point support for the lens. The position fixation elements are constructed and arranged for sufficient flexibility to permit a single lens to have the capability of being used as an implant in eyes with anterior chamber diameters of a substantial variety of sizes, thereby minimizing the inventory of lenses necessary to be maintained in operating rooms.
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
- Granted January 22, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 22, 2002.
- 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.