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.)
Burt Co Ltd F N
Original Assignee
Burt Co Ltd F N
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 Burt Co Ltd F NfiledCriticalBurt Co Ltd F N
Application grantedgrantedCritical
Publication of FR631210ApublicationCriticalpatent/FR631210A/fr