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 JP20317183UpriorityCriticalpatent/JPS60106466U/ja
Priority to US06/631,758prioritypatent/US4561604A/en
Priority to US06/631,977prioritypatent/US4544764A/en
Publication of JPS60106466UpublicationCriticalpatent/JPS60106466U/ja
Application grantedgrantedCritical
Publication of JPH039656Y2publicationCriticalpatent/JPH039656Y2/ja