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.)
Bridgestone Corp
Original Assignee
Bridgestone Corp
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
Priority claimed from JP2713082Uexternal-prioritypatent/JPS58130728U/ja
Priority claimed from JP7007982Uexternal-prioritypatent/JPS58175042U/ja
Priority claimed from JP7451182Uexternal-prioritypatent/JPS58180038U/ja
Priority claimed from JP1536883Uexternal-prioritypatent/JPS59121210U/ja
Application filed by Bridgestone CorpfiledCriticalBridgestone Corp
Application grantedgrantedCritical
Publication of CA1188971ApublicationCriticalpatent/CA1188971A/fr