Expired Australian patentAustraliaSolo inventor
Foldable ladder
AU 1983016554
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 July 5, 1983. 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 July 5, 1990.
- We check Australian rights only. A patent in its family in another country could still be in force.
FiledJuly 5, 1983
GrantedSeptember 29, 1983
Term ended byJuly 5, 1990
Application numberAU 1983016554
Classification (IPC)E06C1/32
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.