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Expired Canadian patentCanada

Disposable diaper with anatomical configuration

CA 1292595 C · Owner: Chicopee · Inventors: Aledo, Eduardo Ceasar Andreo

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

Disposable diapers with an anatomical configuration and adaptable to the user's body are described herein. Some of the most usual prior art problems are cutting the material in the crotch portion shift-, ing of the absorbent structure discomfort when using, a disposable product and less absorbent capacity. Such problems are solved in the present invention by providing a diaper which has in combina-, tion, a substantially rectangular panel without cuts an absorbent structure (4), comprising three layers the first layer (5) allowing liquid penetration the, second layer (6) uniformly distributing the liquid and the third layer retaining the liquid elastic, means (9) in the crotch portion …

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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 December 3, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 3, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 10, 1986
GrantedDecember 3, 1991
Term endedDecember 3, 2008
Patent numberCA 1292595 C
Classification (IPC)A61F13/15 +1 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedDec 10, 1986Patent grantedDec 3, 1991Term endedDec 3, 2008

Sources & verification

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