Dice game
CA 1234400 A · Owner: Miller, David F. · Inventors: Miller, David F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is provided a new and useful game apparatus for combining chance play with mathematical operation comprising a game board having a playing surface laid out with a sequence of numbered playing spaces, a set of markers for use in marking positions within the sequence of playing spaces and at least, two dice each marked on the sides thereof with a series of numbers, the numbers in the group of series forming a number set, each series in the set chosen such that (a) the first number in the first series is zero or one (b) if the first, number in the first series is zero then one number in each, other series may be zero and otherwise no two numbers are the same within the set, and (c) if …
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 March 22, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 22, 2005.
- 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.