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Expired Canadian patentCanada

Deflector for hatchbacks and the like

CA 1289167 C · Owner: Koop, Herman · Inventors: Martens, Peter

CIPO record

Overview

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

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Abstract From the Canadian patent

Hatchback and station wagon rear windows often suffer from dust, snow and rain deposition when driven in adverse weather conditions and perforated or solid air deflectors are normally secured across the rear of the roof of such vehicles in an attempt to deflect air over the rear window in order to keep same relatively clean. Sometime rear window wipers are employed. The attachment of such deflectors in the correct location for efficient operation is often difficult particularly with hatchbacks inasmuch as it must be relatively close to the upper transverse edge of the hatchback panel in order to be efficient but this often interferes with the closing of the hatchback panel. The present …

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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 September 17, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 17, 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.
FiledJanuary 13, 1987
GrantedSeptember 17, 1991
Term endedSeptember 17, 2008
Patent numberCA 1289167 C
Classification (IPC)B60J1/20

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedJan 13, 1987Patent grantedSep 17, 1991Term endedSep 17, 2008

Sources & verification

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