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 FR796643Aexternal-prioritypatent/FR75835E/en
Application filed by Arthur BougeardfiledCriticalArthur Bougeard
Application grantedgrantedCritical
Publication of BE599339QpublicationCriticalpatent/BE599339Q/en