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.)
Expired
Application number
CA779683A
Inventor
E. Neely Joseph
Original Assignee
Kaiser Aluminum and Chemical Corp
Publication date
Application grantedgrantedCritical
Publication of CA779683ApublicationCriticalpatent/CA779683A/en