Play method and apparatus for producing a heartbeat- like sound
CA 1091017 A · Owner: General Mills Fun Group, Inc. · Inventors: Bollinger, Howard N.; Goldberg, Dale I.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A doll or other toy animal has a permanent magnet concealed where its heart should be. A toy stethoscope includes a probe containing therein a normally open reed switch which is closed to produce a heartbeat-like sound when the probe is near the magnet.
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 December 9, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 9, 1997.
- 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.