Device for rotatably displaying advertising material
CA 2289806 A1 · Owner: Dumontier, Raymond · Inventors: Bertrand, Gaetan; Dumontier, Raymond
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The device comprises a base member, a transparent outer tubular member which is fixed to the base member. It also comprises a transparent inner tubular member and a revolving inner tubular member holder to mount the inner tubular member in spaced relationship with respect to the outer tubular member. The revolving member is mounted on the base member so as to permit rotation of the revolving inner tubular member holder and of the transparent inner tubular member. Mounting strips or the like are provided to mount translucid advertising sheets on the inner tubular member, and a lighting system is arranged to direct light against the translucid advertising material so as to enable the …
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 November 15, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 15, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 15, 2021.
- 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.