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 DE19691961819external-prioritypatent/DE1961819C3/en
Priority claimed from DE19702007038external-prioritypatent/DE2007038A1/en
Priority claimed from DE19702020337external-prioritypatent/DE2020337A1/en
Priority claimed from CA100212Aexternal-prioritypatent/CA938761A/en
Application filed by IndividualfiledCriticalIndividual
Priority to CA160,580ApriorityCriticalpatent/CA942914A/en
Application grantedgrantedCritical
Publication of CA942914ApublicationCriticalpatent/CA942914A/en