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Australian application, no grantAustralia

Propelling a mining shearer along conveyor

AU 1977023649 · Applicant: Taiheiyo Engineering Incorporated

AusPat record

Overview

Drawings and full text

Its specification, documents and status are on IP Australia's AusPat.

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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 25, 1977. Even if it was granted, its term would have ended by March 25, 1998.
  • A pharmaceutical extension adds at most five years, so even that would have ended by March 25, 2003.
  • We check Australian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 25, 1977
GrantedNo grant recorded
Term ended byMarch 25, 1998
Application numberAU 1977023649
Classification (IPC)E21C29/14 +1 more

Timeline

Timeline From IP Australia dates

1978198119841987199019931996Application filedMarch 25, 1977Term ended byMarch 25, 1998

Sources & verification

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.