Slot machine
CA 2006887 C · Owner: Kishishita, Ryutaro · Inventors: Kishishita, Ryutaro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Since game media used in a slot machine according to the present invention can be collectively supplied for a plurality of games when games are played continuously it, is not necessary for the game medium to be supplied at every game. The winning dispensation of the game media at the time of the play of a plurality of games is not conducted at each winning of the game. Numerical values representing the number of the game media to be dispensed at each of the winning games are accumulated at each of the winning of the game a data representing the dispensation numerical data. The winning dispensation is conducted with the game media on condition that the dispensation numerical data is present …
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 December 29, 1989 and granted August 23, 1994. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 29, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 29, 2011.
- 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.