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 JP1986133941UpriorityCriticalpatent/JPH0347269Y2/ja
Priority to US06/946,584prioritypatent/US4799897A/en
Publication of JPS6339884UpublicationCriticalpatent/JPS6339884U/ja
Priority to US07/207,101prioritypatent/US4872850A/en
Application grantedgrantedCritical
Publication of JPH0347269Y2publicationCriticalpatent/JPH0347269Y2/ja