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.)
C Evans & Sons Ltd
Original Assignee
C Evans & Sons Ltd
Publication of AU492418B2publicationCriticalpatent/AU492418B2/en
Priority claimed from GB52842/74Aexternal-prioritypatent/GB1488170A/en
Application filed by C Evans & Sons LtdfiledCriticalC Evans & Sons Ltd
Publication of AU8702575ApublicationCriticalpatent/AU8702575A/en