Expired Australian patentAustraliaSolo inventor
Control device for minimising pollution levels inside a vehicle
AU 1989041578
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 September 21, 1989. 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 September 21, 1996.
- We check Australian rights only. A patent in its family in another country could still be in force.
FiledSeptember 21, 1989
GrantedNo grant recorded
Term ended bySeptember 21, 1996
Application numberAU 1989041578
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.