Expired Australian patentAustralia
Duct installation
AU 1982091825 · Applicant: Telrasa Pty Ltd
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 December 23, 1982. 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 December 23, 1989.
- We check Australian rights only. A patent in its family in another country could still be in force.
FiledDecember 23, 1982
GrantedNo grant recorded
Term ended byDecember 23, 1989
Application numberAU 1982091825
Classification (IPC)E04F17/00 +1 more
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.