Cartridge for gaming machine and a gaming machine using the same
CA 1294049 C · Owner: Yukawa, Masayuki · Inventors: Yukawa, Masayuki; Nakagawa, Katsuya
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cartridge for a gaming machine is disclosed which includes a case having tapered portions formed at opposite sides thereof and edge portions formed at opposite sides thereof and having a shape different from the tapered portion to prevent insertion of the cartridge into the machine in an inverted condition. A character ROM, a first semiconductor memory storing a program for determining authenticity of the cartridge and a first microcomputer for executing that program are mounted on a printed circuit board accommodated in the case. Contacting portions capable of contacting the tapered parts when the cartridge is inserted are formed at a cartridge inserting portion of a gaming machine main …
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 January 7, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 7, 2009.
- 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.