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.)
A C HAMILTON AND Co
Original Assignee
A C HAMILTON 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
Application filed by A C HAMILTON AND CofiledCriticalA C HAMILTON AND Co
Priority to CA227,235ApriorityCriticalpatent/CA1035516A/fr
Application grantedgrantedCritical
Publication of CA1035516ApublicationCriticalpatent/CA1035516A/fr