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
CA 20423
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.)
ALFRED SAMUEL PURVIS
CONRAD MOORE
Original Assignee
ALFRED SAMUEL PURVIS
CONRAD MOORE
Publication date
Priority to CA 20423priorityCriticalpatent/CA20423S/en
Application grantedgrantedCritical
Publication of CA20423SpublicationCriticalpatent/CA20423S/en