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
CA839616A
Inventor
De Plasse Noel
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.)
FILATURES PROUVOST MASUREL AND CIE
Original Assignee
FILATURES PROUVOST MASUREL AND CIE
Publication date
Application grantedgrantedCritical
Publication of CA839616ApublicationCriticalpatent/CA839616A/en