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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yoshino Kogyosho Co Ltd
Original Assignee
Yoshino Kogyosho Co Ltd
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 filed by Yoshino Kogyosho Co LtdfiledCriticalYoshino Kogyosho Co Ltd
Priority to JP1989070424UpriorityCriticalpatent/JPH0752043Y2/ja
Publication of JPH0311655UpublicationCriticalpatent/JPH0311655U/ja
Priority to US08/107,164prioritypatent/US5361920A/en
Application grantedgrantedCritical
Publication of JPH0752043Y2publicationCriticalpatent/JPH0752043Y2/ja