Expired Australian patentAustralia
Detecting firiing of all of a series of perforating guns
AU 1984023578 · Applicant: Halliburton Company
Overview
Drawings and full text
Its specification, documents and status are on IP Australia's AusPat.
Open the AusPat recordNo Claude kit for weapons
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Read 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.
Why it's free to use
- Filed January 18, 1984 and granted June 16, 1987. An Australian standard patent lasts 20 years from its date of patent, which is at most a year after this filing, so its term ended by January 18, 2005.
- A pharmaceutical extension adds at most five years, so even that would have ended by January 18, 2010.
- We check Australian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 18, 1984
GrantedJune 16, 1987
Term ended byJanuary 18, 2005
Application numberAU 1984023578
Classification (IPC)E21B43/1185 +2 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.