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Expired Australian patentAustralia

Disposable pull-on diaper

AU 1999052575 · Applicant: Unicharm Corporation

AusPat record

Overview

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Its specification, documents and status are on IP Australia's AusPat.

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Listed from its IP Australia record in Patent Yard's archive of Australian patents past their term. Its claims, description and drawings are in the AusPat record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed October 1, 1999 and granted March 4, 2004. An Australian standard patent lasts 20 years from its date of patent, which is at most a year after this filing, so its term ended by October 1, 2020.
  • A pharmaceutical extension adds at most five years, so even that would have ended by October 1, 2025.
  • We check Australian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 1, 1999
GrantedMarch 4, 2004
Term ended byOctober 1, 2020
Application numberAU 1999052575
Classification (IPC)A61F13/53 +2 more

Timeline

Timeline From IP Australia dates

2000200320062009201220152018Application filedOct 1, 1999Patent grantedMarch 4, 2004Term ended byOct 1, 2020

Sources & verification

Everything on this page comes from the IP Australia record linked above. Data from IP Australia's IPGOD, licensed under CC BY 2.5 AU.