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
CA719837A
Inventor
A. Sharp Joseph
L. Jinks Desmond
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.)
N Corah St Margaret Ltd
Original Assignee
N Corah St Margaret Ltd
Publication date
Priority to CA719837TpriorityCritical
Application grantedgrantedCritical
Publication of CA719837ApublicationCriticalpatent/CA719837A/en