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 JP1984159936UpriorityCriticalpatent/JPH025784Y2/ja
Publication of JPS6173323UpublicationCriticalpatent/JPS6173323U/ja
Priority to US07/017,094prioritypatent/US4742584A/en
Application grantedgrantedCritical
Publication of JPH025784Y2publicationCriticalpatent/JPH025784Y2/ja