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Expired Australian patentAustralia

Synchronization apparatus in transmitting information on a simplex bus

AU 1983014772 · Applicant: Telefonaktiebolaget Lm Ericsson Publ

AusPat record

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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 April 26, 1983 and granted November 20, 1986. 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 26, 2004.
  • A pharmaceutical extension adds at most five years, so even that would have ended by April 26, 2009.
  • 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 26, 1983
GrantedNovember 20, 1986
Term ended byApril 26, 2004
Application numberAU 1983014772
Classification (IPC)H04L7/04 +2 more

Timeline

Timeline From IP Australia dates

1984198719901993199619992002Application filedApril 26, 1983Patent grantedNov 20, 1986Term ended byApril 26, 2004

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.