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Expired Canadian patentCanada

Electronic cribbage board

CA 2038813 C · Owner: Renaud, John C. · Inventors: Renaud, John C.; Renaud, Nancy R.

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

An electronic cribbage board is provided which replaces the traditional pegs by LED's which light up to indicate each player's score. A keyboard for entering each player's score is provided which has a key for every possible score obtainable during the play of a cribbage hand. The score is entered by depressing a single key. Two LED's for each player are illuminated at the same time to present a present score and a previous score.

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 March 21, 1991 and granted April 19, 1994. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 21, 2011.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 21, 2013.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 21, 1991
GrantedApril 19, 1994
Term endedMarch 21, 2011
Patent numberCA 2038813 C
Classification (IPC)A63F1/18 +2 more

Timeline

Timeline From CIPO dates

1992199419961998200020022004200620082010Application filedMarch 21, 1991Patent grantedApril 19, 1994Term endedMarch 21, 2011

Sources & verification

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