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 US00274929Aexternal-prioritypatent/US3792807A/en
Priority claimed from US00292692Aexternal-prioritypatent/US3850777A/en
Application filed by IndividualfiledCriticalIndividual
Priority to CA235,501ApriorityCriticalpatent/CA986889A/en
Application grantedgrantedCritical
Publication of CA983378ApublicationCriticalpatent/CA983378A/en