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.)
Hunt Helm Ferris & Co
Original Assignee
Hunt Helm Ferris & 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
Application filed by Hunt Helm Ferris & CofiledCriticalHunt Helm Ferris & Co
Application grantedgrantedCritical
Publication of CA78733ApublicationCriticalpatent/CA78733A/en