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
CA615975A
Inventor
Louarn Jean
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.)
Societe des Forges et Ateliers du Creusot
Original Assignee
Societe des Forges et Ateliers du Creusot
Publication date
Application grantedgrantedCritical
Publication of CA615975ApublicationCriticalpatent/CA615975A/en