Slot machine having multiple progressive jackpots
CA 2334546 A1 · Owner: Piechowiak, Robert J. · Inventors: Piechowiak, Robert J.; Jackson, James P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A progressive jackpot slot machine, or group of slot machines is described , herein. A, plurality of progressive jackpots are accumulated as the slot machine is played. In the preferred, embodiment, a first progressive jackpot is accumulated at a first rate and a , second progressive, jackpot is accumulated at a rate higher than the first rate. Additional jackpots accumulate at, higher rates. The betting of additional monetary amounts enables the player to win additional, jackpots. This provides added incentive for the player to bet additional monetary amounts.
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 February 6, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 6, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 6, 2023.
- 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.