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
Inventor
X. O'shea Francis
Original Assignee
Uniroyal Ltd Canada
Publication date
Application grantedgrantedCritical
Publication of CA761981ApublicationCriticalpatent/CA761981A/en