Educational toy
CA 1309247 C · Owner: Machaalani, Joseph · Inventors: Machaalani, Joseph
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An educational toy for children including a number of specially shaped blocks designed to be arranged in a side by side relation within a container. Each block has information of an alpha-numeric nature in a particular series on one face and information of a different series on a second face. The toy, when assembled, displays the complete sequential information of the series in rows.
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 October 27, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 27, 2009.
- 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.