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 JP12552090UpriorityCriticalpatent/JPH0751642Y2/ja
Priority to US07/712,337prioritypatent/US5162637A/en
Priority to DE4119157Aprioritypatent/DE4119157C2/de
Publication of JPH0482763UpublicationCriticalpatent/JPH0482763U/ja
Application grantedgrantedCritical
Publication of JPH0751642Y2publicationCriticalpatent/JPH0751642Y2/ja