Amusement machines
CA 1112766 A · Owner: Bell-Fruit Manufacturing Company Limited · Inventors: Johnson, John W.L.; Chadwick, Neville D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An amusement machine is provided with a credit card read/write device into which a player inserts a credit card in order to play a game on the machine and which is adapted to read pre-recorded characteristics on the card corresponding to a number of game credits and to write on the card so as to change said prerecorded characteristics; and control means which operates according to read signals receive from said read/ write device so as to free the machine for the playing of a game only if the number of game credits read is one or more, and which controls wri signals applied to the read/write device so that the number of game credits recorded on the card is reduced by one each time a game is …
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
- Granted November 17, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 17, 1998.
- 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.