Eyeglasses
CA 2302540 A1 · Owner: Storace, Paul · Inventors: Storace, Paul; Thompson, Doug
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is directed to an eyeglasses device comprising a primary spectacle frame for supporting primary lenses therein. The primary spectacle frame, includes a middle bridge portion and two side portions with each side portion having, an end piece extending rearwardly therefrom to which temple pieces are connected. The middle bridge portion and/or the end piece are fabricated substantially entirely, from a material attracted by a magnetic field. An auxiliary spectacle frame is provided for supporting auxiliary lenses therein. The auxiliary spectacle frame, includes a middle bridge portion having at least one magnetic connecting member, generating a magnetic field. The …
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 April 5, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 5, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 5, 2022.
- 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.