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Expired Canadian patentCanada

Absorbent article with multi-directional extensible side panels

CA 2176700 C · Owner: Roe, Donald Carroll · Inventors: Roe, Donald Carroll; Dreier, Kimberly Ann; Dakin, Constance Lee

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

Absorbent articles such as disposable, incontinent briefs diaper holders, training pants, feminine hygiene garments and the like, having ex-, tensible side panel features that improve the dynamic fit of the diaper around the legs and waist of the wearer. Such absorbent articles comprise a containment assembly comprising a liquid pervious topsheet; a liquid impervious backsheet; an absorbent core disposed between the topsheet and the backsheet; and extensible side panels, each comprising a waist panel and a thigh panel disposed along each longitudinal edge of the containment assembly in the first waist region. The waist panel and the thigh panel are operatively associated so that the waist …

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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 18, 1994 and granted January 2, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 18, 2014.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 18, 2016.
  • 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 18, 1994
GrantedJanuary 2, 2001
Term endedNovember 18, 2014
Patent numberCA 2176700 C
Classification (IPC)A61F13/15

Timeline

Timeline From CIPO dates

1995199719992001200320052007200920112013Application filedNov 18, 1994Patent grantedJan 2, 2001Term endedNov 18, 2014

Sources & verification

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