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 JP15154584UpriorityCriticalpatent/JPS6166333U/ja
Priority to US06/783,849prioritypatent/US4666274A/en
Publication of JPS6166333UpublicationCriticalpatent/JPS6166333U/ja