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 GB1968561Aexternal-prioritypatent/GB995617A/en
Application filed by Atlas Stone Company LtdfiledCriticalAtlas Stone Company Ltd
Priority claimed from GB19685/62Aexternal-prioritypatent/GB967021A/en
Publication of BE617229ApublicationCriticalpatent/BE617229A/fr