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 JP7548488UpriorityCriticalpatent/JPH0446991Y2/ja
Priority to US07/278,800prioritypatent/US4995581A/en
Publication of JPH01178144UpublicationCriticalpatent/JPH01178144U/ja
Application grantedgrantedCritical
Publication of JPH0446991Y2publicationCriticalpatent/JPH0446991Y2/ja
