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.)
Individual
Original Assignee
Individual
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 JP3679670Aexternal-prioritypatent/JPS4835473B1/ja
Priority claimed from JP10391170Aexternal-prioritypatent/JPS4921947B1/ja
Priority claimed from CA111,874Aexternal-prioritypatent/CA982875A/en
Application filed by IndividualfiledCriticalIndividual
Priority to CA163,218ApriorityCriticalpatent/CA942232A/en
Application grantedgrantedCritical
Publication of CA942232ApublicationCriticalpatent/CA942232A/en