Fully-cover shelter frame
CA 2387187 A1 · Owner: Viva Ip Corp. · Inventors: Xiao, Tony Xin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fully-cover shelter frame is adapted for detachably mounting on a primary spectacle frame which includes a frame body for mounting a pair of lenses in position. The frame body includes a primary bridge connected between the two lenses two , side, extensions provided at two outer sides of the lenses respectively and two , hinge members, extended rearwardly from said side extensions for pivotally coupling a pair of temples, respectively. Each of the side extensions has an engaging surface provided thereon. The, shelter frame, which supports two auxiliary lenses thereon includes a bridge , extended, between the two auxiliary lenses a pair of cover rims rearwardly extended from the two, …
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 May 22, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 22, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 22, 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.