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 US469631Aexternal-prioritypatent/US3900229A/en
Priority claimed from CA203,857Aexternal-prioritypatent/CA1026804A/en
Application filed by IndividualfiledCriticalIndividual
Priority to CA283,567ApriorityCriticalpatent/CA1033387A/en
Application grantedgrantedCritical
Publication of CA1033387ApublicationCriticalpatent/CA1033387A/en