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Expired Canadian patentCanada

An adjustable bottom rail for venetian blinds and use of adjustment means therefor

CA 2599847 C · Owner: Andersen, Torben Meyer · Inventors: Andersen, Torben Meyer

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

Known bottom rails fulfil the requirements stiffness and adjustability at the time of installation, but a noted inequality in the load on the individual raising cord cannot be corrected wihtout a complex dismantling of the bottom rail. According to the invention the bottom rail is suspended in clips (7) that on the one hand holds the lowermost slat (5) and the raising cords (4) on the other hand has means (10) so that the tightening of the raising cords may be adjusted individually.

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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

  • Filed March 1, 2006 and granted September 24, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 1, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • 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 1, 2006
GrantedSeptember 24, 2013
Term endedMarch 1, 2026
Patent numberCA 2599847 C
Classification (IPC)E06B9/38 +1 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedMarch 1, 2006Patent grantedSep 24, 2013Term endedMarch 1, 2026

Sources & verification

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