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 JP18948785UpriorityCriticalpatent/JPS6297268U/ja
Priority to US06/922,170prioritypatent/US4742964A/en
Publication of JPS6297268UpublicationCriticalpatent/JPS6297268U/ja