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
CA44072F
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.)
Post Office
Original Assignee
Post Office
Publication date
Priority to CA44072FpriorityCriticalpatent/CA44072S/en
Application grantedgrantedCritical
Publication of CA44072SpublicationCriticalpatent/CA44072S/en