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.)
Spier & Sohn
Original Assignee
Spier & Sohn
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 Spier & SohnfiledCriticalSpier & Sohn
Priority to FR7139525ApriorityCriticalpatent/FR2158126B3/fr
Publication of FR2158126A1publicationCriticalpatent/FR2158126A1/fr
Application grantedgrantedCritical
Publication of FR2158126B3publicationCriticalpatent/FR2158126B3/fr