Patent Yard Sign in
Australian application, no grantAustralia

Conversion of coal by solvent extraction

AU 1972049366 · Applicant: Consolidation Coal Company

AusPat record

Overview

Drawings and full text

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

Open the AusPat record

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, and the Claude kit works from them.

Why it's free to use

  • Filed November 28, 1972. Even if it was granted, its term would have ended by November 28, 1993.
  • A pharmaceutical extension adds at most five years, so even that would have ended by November 28, 1998.
  • We check Australian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 28, 1972
GrantedNo grant recorded
Term ended byNovember 28, 1993
Application numberAU 1972049366
Classification (IPC)C07C45/00 +2 more

Timeline

Timeline From IP Australia dates

1973197619791982198519881991Application filedNov 28, 1972Term ended byNov 28, 1993

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.