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.)
Foote J B Foundry Co
Original Assignee
Foote J B Foundry 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 Foote J B Foundry CofiledCriticalFoote J B Foundry Co
Priority to CA000356142ApriorityCriticalpatent/CA1140026A/fr
Application grantedgrantedCritical
Publication of CA1140026ApublicationCriticalpatent/CA1140026A/fr