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Expired Canadian patentCanada

Method, apparatus and article for verifying card games, such as playing card distribution

CA 2439013 C · Owner: The United States Playing Card Company · Inventors: Huizinga, Richard; Soltys, Richard

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

One or more actual hands of playing cards are verified against respective expected hands of playing cards, to determine whether the playing cards actually dealt correspond to the playing cards that should have been dealt based on a starting sequence of playing card values. The starting sequence of playing card values can be computationally pseudo-randomly generated where , playing cards will be ordered, for example by printing or sorting according , to the sequence for distribution to the player and/or dealer. The starting sequence of playing card values can be determined by reading identifiers from a number of playing cards prior to dealing.

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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 21, 2002 and granted March 5, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 21, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 21, 2024.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 21, 2002
GrantedMarch 5, 2013
Term endedFebruary 21, 2022
Patent numberCA 2439013 C
Classification (IPC)A63F1/18 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedFeb 21, 2002Patent grantedMarch 5, 2013Term endedFeb 21, 2022

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.