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Expired Canadian patentCanada

Napkin-knickers provided with an improved elastic arrangement

CA 1265301 C · Owner: Gandrez, Jean-Francois · Inventors: Daugan, Jean-Claude; Gandrez, Jean-Francois

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

This disposable napkin-knickers has a generally rectangular shape and includes a flexible and impermeable support sheet an absorbent wad dis-, posed on a support sheet and a flexible and permeable upper sheet covering the absorbent wad. It further comprises in combination: two distinct elastic systems extending longitudinally along at least a part of the length of the napkin, the first system being disposed along the edge of the wad on each side of the latter so as to impart thereto an anatomical shape and the second, system being disposed along the edge of the napkin on each side of the latter so as to ensure the fluidtightness thereof when it is carried by a user. A region of each làteral …

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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 February 6, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 6, 2007.
  • 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 8, 1985
GrantedFebruary 6, 1990
Term endedFebruary 6, 2007
Patent numberCA 1265301 C
Classification (IPC)A61F13/15

Timeline

Timeline From CIPO dates

19861989199219951998200120042007Application filedNov 8, 1985Patent grantedFeb 6, 1990Term endedFeb 6, 2007

Sources & verification

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