Earphone-type speaker assembly
CA 2071040 A1 · Owner: Gluz, Jacob · Inventors: Gluz, Jacob
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A speaker assembly for securement to the temples of an eyeglass frame,such as sunglasses, is disclosed. In particular the assembly includes an adjustable support which is detachably secured to the temples or fixed permanently thereto. The speaker is supported spaced from the frame and the particularity of its mounting is that it can be pivoted to emitt sound towards the ear of a wearer or fully away from the ear or any intermediate position. This permits the wearer to adjust the direction of the speakers to hear other important sounds that may be directed at him from his back or sideways. Accordingly if the wearer is listening to the, radio in an area where important sounds need to be heard …
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 June 11, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 11, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 11, 2014.
- 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.