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Expired Canadian patentCanada

Growing baby doll

CA 1137753 A · Owner: Mattel, Inc. · Inventors: Sapkus, Jurgis; Douglas, Raymond J.; Lewis, J. Stephen

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A baby doll having an extendable torso an extendable neck, movable, legs, and a mechanism for causing the torso and the neck to extend and the legs to straighten so that the doll appears to grow.

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 21, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 21, 1999.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 15, 1980
GrantedDecember 21, 1982
Term endedDecember 21, 1999
Patent numberCA 1137753 A
Classification (IPC)A63H3/00 +2 more

Timeline

Timeline From CIPO dates

1981198319851987198919911993199519971999Application filedFeb 15, 1980Patent grantedDec 21, 1982Term endedDec 21, 1999

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.