Instant bingo game and game card therefor
CA 2066507 C · Owner: Pollard Banknote Limited · Inventors: Pollard, Gordon
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A bingo card for playing at an instant bingo game comprises a first area in which bingo numbers are printed and covered by an opaque layer which can be scratched away to individually reveal each bingo number in turn. The card further includes four separate bingo playing areas each of which is in the form of a bingo card with the numbers printed thereon in conventional manner. On top of each of the second playing areas is applied a translucent coat of a scratchable material which is pigmented so as to modify the appearance of the underlying color of the area. The playing area can therefore be marked in relation to those numbers appearing on the first area simply by scratching away 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 April 21, 1992 and granted May 10, 1994. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 21, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 21, 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.