Apparatus and method for handling lens carriers
CA 2456653 A1 · Owner: Abrams, Richard W. · Inventors: Widman, Michael; Calvin, Olin; Hall, Gary S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Novel method and apparatus are disclosed for handling carriers (104) for soft contact lenses in a lens manufacturing system. In accordance with a first aspect of the invention, article handling devices are located beneath a precure station (110) and a curing station (112) of the system to move lens carriers within those stations. Pursuant to a second aspect of the invention in a preferred embodiment multiple sets of assemblies are provided for moving a multitude of lens carriers into, through and out from the pre-cure station , and the curing station. In accordance with a third aspect of the invention the curing station is provided with an intelligent buffer.
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 9, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 9, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 9, 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.