Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU15642/20A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Edmund Spenser Tiedeman
Original Assignee
Edmund Spenser Tiedeman
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Edmund Spenser TiedemanfiledCriticalEdmund Spenser Tiedeman
Publication of AU1564220ApublicationCriticalpatent/AU1564220A/en
AU15642/20A1917-02-191920-05-14Improvements in or relating to railway signalling apparatus and apparatus for stopping trains independently of drivers
ExpiredAU1564220A
(en)