Patent Yard Sign in
Expired Canadian patentCanada

Vertical louvre blind and travellers therefor

CA 1289053 C · Owner: Hunter Douglas Canada Inc. · Inventors: Anderson, Richard N.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

A traveller for a vertical louvre blind assembly comprising a headrail and a plurality of travellers movable longitudinally of the blind headrail and rotatably holding vertical louvres, said traveller including a traveller housing having at least two wings, each cantilevered to extend generally from said traveller housing in a direction of traveller movement and engagable with the inside of the headrail to stabilise the position of said traveller housing with respect to said headrail, each wing extending beyond the traveller housing by an amount substantially greater than the axial length of the housing and having an inclined position with respect to the longitudinal axis of the headrail in …

Read the whole patent

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.
FiledApril 16, 1987
GrantedSeptember 17, 1991
Term endedSeptember 17, 2008
Patent numberCA 1289053 C
Classification (IPC)E06B9/36

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedApril 16, 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.