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
CA058876A
Inventor
R. Smyth Robert
B. Smyth William
B. Smyth Ralston
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
Application filed by IndividualfiledCriticalIndividual
Priority to CA058876ApriorityCriticalpatent/CA925596A/en
Application grantedgrantedCritical
Publication of CA925596ApublicationCriticalpatent/CA925596A/en