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Expired Canadian patentCanada

Barrier cuff for a unitary disposable absorbent article having intermediate bond for sustained fit

CA 2616630 C · Owner: The Procter & Gamble Company · Inventors: Sauer, Andrew James; Ehrnsperger, Bruno Johannes

CIPO record

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

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Abstract From the Canadian patent

Absorbent articles such as disposable diapers and disposable pant like garments are disclosed. In particular, absorbent articles such as disposable diapers and pants having an improved barrier cuff structure for improved fit are described. The placement of a barrier cuff structure having a tackdown point near the waistband of the article tends to "pull down" the waistband and may cause sagging. Intermediate tackdown bonds are disclosed to achieve the containment benefits of a barrier cuff structure without sacrificing fit characteristics of the article. The intermediate tackdown may be intermediate one or both of the longitudinal ends of the barrier cuff strip and the lateral side …

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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 August 2, 2006 and granted January 8, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 2, 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.
FiledAugust 2, 2006
GrantedJanuary 8, 2013
Term endedAugust 2, 2026
Patent numberCA 2616630 C
Classification (IPC)A61F13/49

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedAug 2, 2006Patent grantedJan 8, 2013Term endedAug 2, 2026

Sources & verification

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