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 JP1988063045UpriorityCriticalpatent/JPH084869Y2/ja
Priority to US07/247,433prioritypatent/US4923140A/en
Publication of JPH01167866UpublicationCriticalpatent/JPH01167866U/ja
Application grantedgrantedCritical
Publication of JPH084869Y2publicationCriticalpatent/JPH084869Y2/ja
