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
CA13609F
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.)
William H Murphy Engineering Sales Co
Original Assignee
William H Murphy Engineering Sales Co
Publication date
Priority to CA13609FpriorityCriticalpatent/CA13609S/en
Application grantedgrantedCritical
Publication of CA13609SpublicationCriticalpatent/CA13609S/en