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 JP11342885UpriorityCriticalpatent/JPS6222633U/ja
Priority to US06/813,150prioritypatent/US4662736A/en
Publication of JPS6222633UpublicationCriticalpatent/JPS6222633U/ja
Priority to US07/046,940prioritypatent/US4816862A/en
