Magnifying spectacles
CA 2267784 C · Owner: Moyse, Marjorie Anne · Inventors: Moyse, Marjorie Anne
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Magnifying spectacles for cosmetic use include a crosspiece (2 4) which , extends across the face of the user and projecting upwardly from which are two magnifying lenses (12) whose size is not substantially larger than that of the human eye. The crosspiece includes a bridgepiece (8) which extends over the bridge of the nose of the user and whose apex is situated forwardly of the lenses (12). The crosspiece (2,4) is connected at each end to a respective side arm (16) which extends towards a position midway up the height of the ear of the user and terminates in an ear engagement portion. The ear engagement portion includes a portion (20) which extends upwardly along the front of the ear …
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 October 7, 1997 and granted April 8, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 7, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 7, 2019.
- 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.