Improved method and kit for attaching side shields to eyeglass temples
CA 2202269 C · Owner: Shin, Chul Woo · Inventors: Hirschman, Richard; Shin, Chul Woo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for mounting safety shields onto eyeglass temples and a kit for carrying out that method. A temple (14) of an eyeglass frame is placed in a channel (18) forming part of a side shield (12) thereafter, a pin (16) is , inserted into an opening formed in the side shield to create a force fit between the temple, the channel and the pin which attaches the side shield to the temple. The side shield is placed in its operative position before the pin is inserted into the opening, and the force fit resulting from the insertion of the pin into the opening holds the side shield in its operative position.
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 September 26, 1995 and granted June 29, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 26, 2015.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 26, 2017.
- 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.