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.)
Thomas Morson & Son Ltd
Original Assignee
Thomas Morson & Son 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 Thomas Morson & Son LtdfiledCriticalThomas Morson & Son Ltd
Priority to GB2121659ApriorityCriticalpatent/GB902380A/en
Priority to CH675060Aprioritypatent/CH397702A/fr
Publication of GB902380ApublicationCriticalpatent/GB902380A/en