Printed display sign
CA 2344235 A1 · Owner: Banning, Herbert John · Inventors: Banning, Herbert John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A printed display sign particularly for use with a light box reversed printed on its rear face with information, typically a menu for a fast food outlet. The information includes product names and aligned with each product name is a rectangular transparent window area where the sign is not printed. The rear of the sign is painted with a white diffusing layer which covers the entire rear surface of the sign apart from the windows and the areas bordering the windows which are not coated with the diffusing layer so as to leave a rectangular dark border or frame around each window. Labels having a size larger than that of the window but preferably smaller than that of the outer edge of …
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 13, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 13, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 13, 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.