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Expired Canadian patentCanada

Method of tensioning fabric and furniture construction

CA 2498466 C · Owner: Bottemiller, Donald L. · Inventors: Bottemiller, Donald L.

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 furniture construction and a method of placing a section of fabric in tension on the furniture construction includes providing a pair of rigid members each having a slot extending along one side. A rigid edge portion is provided on opposite sides of the section of fabric. Each rigid edge portion is then inserted into the slot of each rigid member such that the fabric overlies an adjacent side surface of each rigid member. The rigid members are then moved in opposing directions thereby place the fabric in tension. The edge portion of the fabric is sufficiently rigid to retain the fabric within the slot and thereby retain the fabric in tension. The rigid members are then secured to the …

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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 February 24, 2005 and granted April 16, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 24, 2025.
  • 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.
FiledFebruary 24, 2005
GrantedApril 16, 2013
Term endedFebruary 24, 2025
Patent numberCA 2498466 C
Classification (IPC)A47C3/00 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedFeb 24, 2005Patent grantedApril 16, 2013Term endedFeb 24, 2025

Sources & verification

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