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Expired Canadian patentCanada

Removable partitions associated with suspended ceilings

CA 1075423 A · Owner: Societe Anonyme Dite: La Redoute · Inventors: Lust, Andre

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

To divide a room area using removable partitions a grid-like framework of individual members demountably mounted one on another at right-angles are suspended from superstructure of the room by threaded tie rods enabling the framework to be disposed horizontally. Vertical parts are demountably connected at their upper ends to the framework where members thereof intersect. Screw jacks at the lower ends of the posts are braced against the floor to hold the posts rigid. Wall panels which can incorporate doors and windows are inserted in slots in the sides of the posts, and skirting boards of adjustable height to allow for unevenesses in the floor are mounted on the lower ends of the posts. A …

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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 April 15, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 15, 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.
Filed—
GrantedApril 15, 1980
Term endedApril 15, 1997
Patent numberCA 1075423 A
Classification (IPC)E04B9/06 +1 more

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedApril 15, 1980Term endedApril 15, 1997

Sources & verification

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