Expired Australian patentAustraliaSolo inventor
A pressure equalisation valve
AU 1998094069
Overview
Drawings and full text
Its specification, documents and status are on IP Australia's AusPat.
Open the AusPat recordRead the whole patent
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 20, 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 20, 2005.
- We check Australian rights only. A patent in its family in another country could still be in force.
FiledNovember 20, 1998
GrantedNo grant recorded
Term ended byNovember 20, 2005
Application numberAU 1998094069
Classification (IPC)—
Timeline
Timeline From IP Australia dates
Sources & verification
Official IP Australia records
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.