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
CA2072F
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.)
Engineering Soc Of School Of Practical Science
Original Assignee
Engineering Soc Of School Of Practical Science
Publication date
Priority to CA2072FpriorityCriticalpatent/CA2072S/en
Application grantedgrantedCritical
Publication of CA2072SpublicationCriticalpatent/CA2072S/en