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Expired Australian patentAustralia

Plant monitoring/controlling apparatus

AU 1997019069 · Applicant: Hitachi Limited

AusPat record

Overview

Drawings and full text

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 April 23, 1997 and granted November 5, 1998. 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 April 23, 2018.
  • A pharmaceutical extension adds at most five years, so even that would have ended by April 23, 2023.
  • We check Australian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 23, 1997
GrantedNovember 5, 1998
Term ended byApril 23, 2018
Application numberAU 1997019069
Classification (IPC)G05B9/03 +2 more

Timeline

Timeline From IP Australia dates

1998200120042007201020132016Application filedApril 23, 1997Patent grantedNov 5, 1998Term ended byApril 23, 2018

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.