An Underground Mining System for reduced costs improved efficiencies higher productivity and a safer working environment through Penetrated Block Extraction

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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 January 15, 2015. 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 January 15, 2024.
• We check Australian rights only. A patent in its family in another country could still be in force.