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 JP419988UpriorityCriticalpatent/JPH01109851U/ja
Priority to US07/239,161prioritypatent/US4996615A/en
Publication of JPH01109851UpublicationCriticalpatent/JPH01109851U/ja
Priority to US07/443,634prioritypatent/US4980787A/en