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
Priority claimed from US06/491,711external-prioritypatent/US4517089A/en
Application filedfiledCritical
Publication of JPH02100610UpublicationCriticalpatent/JPH02100610U/ja
Application grantedgrantedCritical
Publication of JPH0346825Y2publicationCriticalpatent/JPH0346825Y2/ja