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.)
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 filedfiledCritical
Priority to JP13157985UpriorityCriticalpatent/JPS6243614U/ja
Priority to US06/867,344prioritypatent/US4707168A/en
Publication of JPS6243614UpublicationCriticalpatent/JPS6243614U/ja