Slip-on eye patch
CA 2227118 A1 · Owner: Kerber, Sylvia Diana · Inventors: Kerber, Sylvia Diana
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
When patching an eye, a patch of fabric with a ring of elastic which extends around the head is the usual method of patching. Also a patch may be clipped to, the eyeglasses. In this invention, a fabric patch is secured to the eyeglasses by, means of the arm of the glasses and the bridge or nose piece to completely cover, the lens. Fabric extends beyond the lens in order to more completely patch the eye.
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 March 25, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 25, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 25, 2020.
- 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.