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 JP13071990UpriorityCriticalpatent/JP2508741Y2/ja
Priority to US07/795,140prioritypatent/US5237445A/en
Priority to EP19910119905prioritypatent/EP0489315A3/en
Publication of JPH0485414UpublicationCriticalpatent/JPH0485414U/ja
Application grantedgrantedCritical
Publication of JP2508741Y2publicationCriticalpatent/JP2508741Y2/ja