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.)
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.)
Speno International SA
Frank Speno Railroad Ballast Cleaning Co Inc
Original Assignee
Speno International SA
Frank Speno Railroad Ballast Cleaning Co Inc
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
Priority claimed from CH237275Aexternal-prioritypatent/CH583337A5/xx
Application filed by Speno International SA, Frank Speno Railroad Ballast Cleaning Co IncfiledCriticalSpeno International SA
Application grantedgrantedCritical
Publication of AU8684975ApublicationCriticalpatent/AU8684975A/en
Publication of AU494251B2publicationCriticalpatent/AU494251B2/en