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Expired Canadian patentCanada

Unique modular construction for use as a forming fabric in papermaking or tissue or nonwovens

CA 2587009 C · Owner: Albany International Corp. · Inventors: Davenport, Francis 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 forming fabric including a sheet contact layer of woven material and a base layer formed of a layer of spiral turns formed by a spirally-wound material strip, the material strip having a width which is smaller in width than the forming fabric, the longitudinal axis of the spiral turns making an angle with said machine direction of the fabric. The sheet contact layer and the base layer are laminated to one another to form a single fabric. This forming fabric has a , simplified manufacturing process over the prior art and has a reduced , production , time, capital cost and / or production cost. The fabric does not require complex , seaming, has superior resistance to separation and …

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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 November 2, 2005 and granted October 15, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 2, 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.
FiledNovember 2, 2005
GrantedOctober 15, 2013
Term endedNovember 2, 2025
Patent numberCA 2587009 C
Classification (IPC)D21F1/10 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedNov 2, 2005Patent grantedOct 15, 2013Term endedNov 2, 2025

Sources & verification

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