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Expired Canadian patentCanada

Disposable absorbent garment having elastic outer cover and integrated absorbent insert structure

CA 1286052 C · Owner: Proxmire, Deborah L. · Inventors: Johnson, Lynn A.; Uitenbroek, Duane G.; Kielpikowski, David P.

CIPO record

Overview

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

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Abstract From the Canadian patent

An anatomically form-fitting generally self-adjusting, disposable absorbent garment comprises a breathable elastomeric nonwoven laminar outer cover resiliently, stretchable preferably in a cross-body direction from about 20% to about 200%, including a pair of leg openings front, and rear waist sections together defining a waist opening a crotch section situated between the leg openings and front and rear panels separated by the crotch section. An absorbent insert structure, substantially superposable on the front and rear panels and the crotch section includes, a liquid impermeable barrier and a liquid permeable bodyside liner, with an absorbent composite disposed therebetween. …

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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 July 16, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 16, 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 22, 1987
GrantedJuly 16, 1991
Term endedJuly 16, 2008
Patent numberCA 1286052 C
Classification (IPC)A61M31/00 +1 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedDec 22, 1987Patent grantedJuly 16, 1991Term endedJuly 16, 2008

Sources & verification

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