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 JP4002488UpriorityCriticalpatent/JPH01142571U/ja
Priority to US07/328,508prioritypatent/US4922876A/en
Publication of JPH01142571UpublicationCriticalpatent/JPH01142571U/ja