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
CA192,267A
Inventor
Edwin F. Cooper
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.)
CELMAC AG
Original Assignee
CELMAC AG
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
Priority claimed from GB122971Aexternal-prioritypatent/GB1381292A/en
Application filed by CELMAC AGfiledCriticalCELMAC AG
Priority to CA192,267ApriorityCriticalpatent/CA952728A/en
Application grantedgrantedCritical
Publication of CA952728ApublicationCriticalpatent/CA952728A/en