Eyewear for relief of computer vision syndrome
CA 2445535 A1 · Owner: Basimah Khulusi Md, Llc · Inventors: Khulusi, Basimah
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Eyewear directed to relieving eye-related problems caused by glare and reflections from light sources interfering with images on a computer screen generally characterized as CVS. The eyewear including a housing surrounding a person's face having a forehead portion an opaque interior surface and an , exterior surface. The housing formed to exhibit a spaced relation to the person's face defining an interior space to accommodate a pair of prescription lenses and a prescription lens frame. The housing further including a horizontal slot and a centrally disposed nose bridge portion and integral , left and right temple arm respectively extending from the housing formed to exhibit a spaced …
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 3, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 3, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 3, 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.