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.)
RW Crabtree and Sons Ltd
Original Assignee
RW Crabtree and Sons Ltd
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 RW Crabtree and Sons LtdfiledCriticalRW Crabtree and Sons Ltd
Application grantedgrantedCritical
Publication of AU289830B2publicationCriticalpatent/AU289830B2/en
Publication of AU4706864ApublicationCriticalpatent/AU4706864A/en