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 JP16908887UpriorityCriticalpatent/JPH0333390Y2/ja
Priority to US07/266,071prioritypatent/US4896431A/en
Publication of JPH0174026UpublicationCriticalpatent/JPH0174026U/ja
Application grantedgrantedCritical
Publication of JPH0333390Y2publicationCriticalpatent/JPH0333390Y2/ja