Expired Australian patentAustraliaSolo inventor
A Dual-function Envelope
AU 2004100153
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 March 2, 2004. An Australian innovation patent lasts at most 8 years from its date of patent, at most a year after this filing, so it ended by March 2, 2013.
- We check Australian rights only. A patent in its family in another country could still be in force.
FiledMarch 2, 2004
GrantedMarch 12, 2004
Term ended byMarch 2, 2013
Application numberAU 2004100153
Classification (IPC)H01L31/048
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.