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Expired Canadian patentCanada

Adjustable diaper

CA 2031375 C · Owner: Quadrini, Giuseppe · Inventors: Quadrini, Giuseppe

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

An adjustable diaper is provided with a pair of VELCRO tapes on the inner and outer surfaces of the upper ledge of the front lap extending along an adjacent the upper edge thereof. A strip of cloth is fixed to the upper edge of the front lap and is adapted to cover alternately one or the other of the above-mentioned VELCRO tapes. The VELCRO tape on the outer surface of the diaper is used to obtain a larger size diaper while the strip of cloth covers the VELCRO tape on the inner face. For smaller size diaper, the strip of cloth is flipped from the tape on the inner face to the tape on the outer face to uncover the tape on the inner face. The upper ledge of the front lap is subsequently …

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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 December 3, 1990 and granted May 30, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 3, 2010.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 3, 2012.
  • 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 3, 1990
GrantedMay 30, 2000
Term endedDecember 3, 2010
Patent numberCA 2031375 C
Classification (IPC)A61F13/15

Timeline

Timeline From CIPO dates

1991199319951997199920012003200520072009Application filedDec 3, 1990Patent grantedMay 30, 2000Term endedDec 3, 2010

Sources & verification

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