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 JP19417787UpriorityCriticalpatent/JPH0197617U/ja
Publication of JPH0197617UpublicationCriticalpatent/JPH0197617U/ja
Priority to US07/481,738prioritypatent/US5023578A/en