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Expired Canadian patentCanada

Absorbent article having cantilevered cuff members

CA 1296489 C · Owner: Freeland, Mary Elaine · Inventors: Blaney, Ted Lee; Freeland, Mary Elaine; Martin, Alvin Doyle, Jr.

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

A disposable absorbent article such as a diaper having an outer covering layer comprising a liquid pervious topsheet and a liquid impervious backsheet, an absorbent core encased in the outer covering layer, and at least one cuff member extending outwardly from and along an edge of the absorbent core. The cuff member comprises an upper layer, a base layer, a cantilever flap interposed between the upper layer and the base layer and having a fixed edge and a distal edge and gathering means such as a plurality of elastic members secured to the cantilever flap. The cuff member enhances containment and fit of the absorbent article and minimizes cuff roll out and collapse during use.

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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 March 3, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 3, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 22, 1988
GrantedMarch 3, 1992
Term endedMarch 3, 2009
Patent numberCA 1296489 C
Classification (IPC)A61F13/15

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedSep 22, 1988Patent grantedMarch 3, 1992Term endedMarch 3, 2009

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