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 JP15279388UpriorityCriticalpatent/JPH0722676Y2/ja
Priority to US07/438,130prioritypatent/US5082270A/en
Publication of JPH0273639UpublicationCriticalpatent/JPH0273639U/ja
Priority to US07/678,558prioritypatent/US5120045A/en
Application grantedgrantedCritical
Publication of JPH0722676Y2publicationCriticalpatent/JPH0722676Y2/ja