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Expired Canadian patentCanada

Vehicle bumper device

CA 1092179 A · Owner: Nissan Motor Co. Ltd. · Inventors: Seki, Shojiro; Hagiwara, Taro

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

Vehicle bumper device comprises an impact receiving member at a location distant from the longitudinal end of a vehicle body and two side bumpers fixed at their forward ends to the impact receiving member. At its rearward end each of the side bumpers is detachably attached to the vehicle body to prevent vibration of the side bumper. Upon frontal impact of the vehicle the side bumpers will be readily detached from the vehicle body without deforming of the vehicle body. - 1 -

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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 23, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 23, 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.
FiledDecember 8, 1976
GrantedDecember 23, 1980
Term endedDecember 23, 1997
Patent numberCA 1092179 A
Classification (IPC)B61F19/04 +2 more

Timeline

Timeline From CIPO dates

1977198019831986198919921995Application filedDec 8, 1976Patent grantedDec 23, 1980Term endedDec 23, 1997

Sources & verification

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