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Expired Australian patentAustralia

Amplified telecommunication system for wavelength-division multiplexing transmissions having an equalized reception power

AU 1999041081 · Applicant: Pirelli Cavi E Sistemi Spa

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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 July 22, 1999 and granted April 26, 2001. 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 July 22, 2020.
  • A pharmaceutical extension adds at most five years, so even that would have ended by July 22, 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.
FiledJuly 22, 1999
GrantedApril 26, 2001
Term ended byJuly 22, 2020
Application numberAU 1999041081
Classification (IPC)H04J14/02 +2 more

Timeline

Timeline From IP Australia dates

2000200320062009201220152018Application filedJuly 22, 1999Patent grantedApril 26, 2001Term ended byJuly 22, 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.