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 JP121690UpriorityCriticalpatent/JPH0717857Y2/ja
Priority to DE4036616Aprioritypatent/DE4036616C2/de
Publication of JPH0393621UpublicationCriticalpatent/JPH0393621U/ja
Priority to US08/022,601prioritypatent/US5346431A/en
Application grantedgrantedCritical
Publication of JPH0717857Y2publicationCriticalpatent/JPH0717857Y2/ja