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 JP9535186UpriorityCriticalpatent/JPH0355858Y2/ja
Priority to US07/001,891prioritypatent/US4780610A/en
Publication of JPS632109UpublicationCriticalpatent/JPS632109U/ja
Application grantedgrantedCritical
Publication of JPH0355858Y2publicationCriticalpatent/JPH0355858Y2/ja