Walking doll
CA 1048784 A · Owner: Hasbro Industries (Canada) Ltd. · Inventors: Hudson, Robert H.; Cederholm, Carl E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Cederholm, Carl, Hudson, Robert H. WALKING DOLL Abstract of the Disclosure, A walking doll having a hollow body on which arms and legs are mounted, the legs being mounted for pivotal movement to effect a walking action a pneumatically, operated assembly being located within said body and interconnected to the legs for producing the pivotal movement thereof, the pneumatically operated assembly including independently operated bellows units that communicate with manually operated members that define the hands of the doll and that are responsive to alternate pressure exerted thereon for producing the walking action of the legs.
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 February 20, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 20, 1996.
- 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.