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Expired Canadian patentCanada

Heat shield for low profile automotive headlight

CA 1306730 C · Owner: Gte Products Corporation · Inventors: English, George J.; Chakrabarti, Kirti B.

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 motor vehicle headlight module is provided which is compact in design having a plastic reflector with a protruding rear portion forming a chamber from which a lighting capsule extends. A heat shield of thermal insulative material is disposed above the capsule and in spaced relation with the capsule and reflector to inhibit the reflector from reaching its heat deflection temperature. -21-

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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 August 25, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 25, 2009.
  • 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 24, 1989
GrantedAugust 25, 1992
Term endedAugust 25, 2009
Patent numberCA 1306730 C
Classification (IPC)F21V19/00 +1 more

Timeline

Timeline From CIPO dates

1990199219941996199820002002200420062008Application filedFeb 24, 1989Patent grantedAug 25, 1992Term endedAug 25, 2009

Sources & verification

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