Sport protection eyewear
CA 2290295 A1 · Owner: Leader Industries Inc. · Inventors: Cyr, Raymond
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Eyewear comprising a frame having top, bottom and opposite sides defining a lens opening, each opposite side having lens engaging means, and a lens adapted to be removably attached to the frame to substantially cover the lens opening. The lens posseses translucent front and rear faces, opposite first and second side ends and a first and second, lens locking portions. The first lens locking portion is located at the first side, end for cooperatingly engaging one of the lens engaging means at a first opposite side of the frame. The second lens locking portion is located at the second side end for cooperatingly engaging the lens engaging means at a second opposite side of the frame for …
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 November 23, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 23, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 23, 2021.
- 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.