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.)
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.)
Roberts Fred T and Co
Original Assignee
Roberts Fred T and Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CA093992Aexternal-prioritypatent/CA930682A/en
Application filed by Roberts Fred T and CofiledCriticalRoberts Fred T and Co
Priority to CA132,778ApriorityCriticalpatent/CA940673A/en
Application grantedgrantedCritical
Publication of CA940673ApublicationCriticalpatent/CA940673A/en