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Expired Canadian patentCanada

Cover for an air bag unit

CA 1263587 C · Owner: Honda, Kiyoshi · Inventors: Honda, Kiyoshi

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

In an air bag unit for use in a motor vehicle including a casing mounted onto a steering wheel assembly a, gas generator arranged in the casing an inflatable air bag, fixed to the casing and communicating with the gas generator and a cover adapted to cover the casing the cover comprises, a base portion fixedly mounted to the casing and a top portion connected to the base portion and having first and second weakened portions, the first and second weakened portions being broken upon inflation of the air bag so that, the top portion is divided into two cover pieces and that these cover pieces are open outwardly, a reinforcing member embedded in the cover except the first and second weakened …

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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 December 5, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 5, 2006.
  • 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 2, 1987
GrantedDecember 5, 1989
Term endedDecember 5, 2006
Patent numberCA 1263587 C
Classification (IPC)B60R21/16 +2 more

Timeline

Timeline From CIPO dates

1988199019921994199619982000200220042006Application filedMarch 2, 1987Patent grantedDec 5, 1989Term endedDec 5, 2006

Sources & verification

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