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
CA772000A
Inventor
G. Henrickson Henry
Original Assignee
Kaiser Aluminum and Chemical Corp
Publication date
Application grantedgrantedCritical
Publication of CA772000ApublicationCriticalpatent/CA772000A/en