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 JP1988122956UpriorityCriticalpatent/JPH0619226Y2/ja
Priority to US07/409,045prioritypatent/US5099507A/en
Publication of JPH0244438UpublicationCriticalpatent/JPH0244438U/ja
Application grantedgrantedCritical
Publication of JPH0619226Y2publicationCriticalpatent/JPH0619226Y2/ja