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 GB5674/76Aexternal-prioritypatent/GB1570397A/en
Application filed by Dunlop LtdfiledCriticalDunlop Ltd
Priority claimed from IE309/77Aexternal-prioritypatent/IE44881B1/en
Publication of IE44882LpublicationCriticalpatent/IE44882L/en
Publication of IE44882B1publicationCriticalpatent/IE44882B1/en