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Expired Canadian patentCanada

Composite joined bodies

CA 1279160 C · Owner: Ngk Insulators, Ltd. · Inventors: Soma, Takao; Yoshida, Akihiko

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

Abstract of the Disclosure Composite joined bodies are disclosed herein which each comprises constituent members and an intermediate member through which the constituent members are joined together. The intermediate member is designed in a honeycomb structure.

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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 January 22, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 22, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 16, 1988
GrantedJanuary 22, 1991
Term endedJanuary 22, 2008
Patent numberCA 1279160 C
Classification (IPC)B32B3/12 +2 more

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedMarch 16, 1988Patent grantedJan 22, 1991Term endedJan 22, 2008

Sources & verification

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