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 JP6372288UpriorityCriticalpatent/JPH01170731U/ja
Priority to US07/323,368prioritypatent/US4952775A/en
Publication of JPH01170731UpublicationCriticalpatent/JPH01170731U/ja