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
CA072291A
Inventor
E. Phillips Hugh
R. Petyt Colin
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.)
Avery Hardoll Ltd
Beck and Co Meters Ltd
Original Assignee
Avery Hardoll Ltd
Beck and Co Meters 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 Avery Hardoll Ltd, Beck and Co Meters LtdfiledCriticalAvery Hardoll Ltd
Application grantedgrantedCritical
Publication of CA933129ApublicationCriticalpatent/CA933129A/en