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Expired Australian patentAustralia

Improvements to engines

AU 1998092326 · Applicant: Rotec Design Ltd

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 November 10, 1998. An Australian petty patent lasted at most 6 years from its date of patent, at most a year after this filing, so it ended by November 10, 2005.
  • We check Australian rights only. A patent in its family in another country could still be in force.
FiledNovember 10, 1998
GrantedDecember 9, 1999
Term ended byNovember 10, 2005
Application numberAU 1998092326
Classification (IPC)F02B69/06 +1 more

Timeline

Timeline From IP Australia dates

1999200020012002200320042005Application filedNov 10, 1998Patent grantedDec 9, 1999Term ended byNov 10, 2005

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.