Contact lens package
CA 2397042 A1 · Owner: Duarte, Mark Alan · Inventors: Phillips, Robert Briggs; Duarte, Mark Alan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention provides a disposable contact lens package comprising a base having a top surface and a recessed well having a perimeter in the top surface, said well, for holding said contact lens therein said top surface comprising a raised , seal volume surrounding said perimeter of said recessed well said raised surface having a cross-, sectional shape comprising two linear sides that intersect the horizontal plane at angles, alpha and beta, respectively wherein angles alpha and beta independently have values, from 125 to 170 degrees; and wherein said package further comprises a removable, lidstock sealed to said raised seal volume.
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 August 7, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 7, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 7, 2024.
- 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.