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 JP2877290UpriorityCriticalpatent/JPH03119864U/ja
Priority to US07/662,708prioritypatent/US5126796A/en
Priority to CA002037494Aprioritypatent/CA2037494C/en
Publication of JPH03119864UpublicationCriticalpatent/JPH03119864U/ja