Intraocular lens
CA 1165056 A · Owner: Minnesota Mining And Manufacturing Company · Inventors: Grinder, William H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An intraocular lens for positioning in the posterior chamber of the eye having a plastic lens body supported by first and second resilient spring-like support loops extending from opposite sides of the peripheral edge of the lens body; in use the support loop is preferably resiliently compressed against the equatorial region of the lens capsule of the eye from which the natural lens has been removed.
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 April 10, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 10, 2001.
- 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.