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 - Lifetime
Application number
AU17432/56A
Inventor
Ralph Broadbent Harold
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.)
Siemens Mobility Ltd
Original Assignee
Westinghouse Brake and Signal Co Ltd
Filing date
Publication of AU209711B2publicationCriticalpatent/AU209711B2/en
Application filed by Westinghouse Brake and Signal Co LtdfiledCriticalWestinghouse Brake and Signal Co Ltd