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.)
Expired
Application number
CA260,221A
Inventor
Ronald Niecke
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 CA213,913Aexternal-prioritypatent/CA1013424A/en
Application filed by IndividualfiledCriticalIndividual
Priority to CA260,221ApriorityCriticalpatent/CA1013425A/en
Application grantedgrantedCritical
Publication of CA1013425ApublicationCriticalpatent/CA1013425A/en