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.)
American Coke & Chemical Co
Original Assignee
American Coke & Chemical 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 American Coke & Chemical CofiledCriticalAmerican Coke & Chemical Co
Application grantedgrantedCritical
Publication of FR534854ApublicationCriticalpatent/FR534854A/en