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
CA633396A
Inventor
F. Oldfield Lucy
J. A. Partridge Michael
H. Partridge John
Partridge Ethel
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
Publication date
Application grantedgrantedCritical
Publication of CA633396ApublicationCriticalpatent/CA633396A/en