Game dice
CA 2444107 A1 · Owner: Watson, Robert I. · Inventors: Watson, Robert I.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
6-, A die is used for selecting one out of a number of competitors in a sporting event. The die has a plurality of faces at least some of which have markings representative of the competitors. The die provides a random choice of which of those entities is to selected depending upon positioning of the markings after rolling of the die.
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 October 1, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 1, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 1, 2025.
- 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.