Apparatus and method for cleaning contact lenses
CA 2064438 A1 · Owner: Beckrich, Mary B. · Inventors: Beckrich, Mary B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for cleaning contact lens includes a lens cleaning case having a base and a cover pivotally mounted to the base. The base is provided with two spaced-apart domed lower cleaning pad receptacles. A cleaning pad motion plate is provided with a pair of defined upper cleaning pad receptacles adapted to be concentrically aligned with the lower receptacles when the motion plate is situated between the lower receptacles and the top of the cover. Cleaning pads having cleaning surfaces and spaced-apart handling surfaces are installed on each of the receptacles so that the cleaning surfaces of the lower pads. A stanchion or boss extends upwardly from the motion plate through a provided …
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 March 30, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 30, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 30, 2014.
- 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.