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
CA603647A
Inventor
A. Clark William
G. Clark Raymond
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.)
CLARKS POTTERIES Ltd
Original Assignee
CLARKS POTTERIES Ltd
Publication date
Application grantedgrantedCritical
Publication of CA603647ApublicationCriticalpatent/CA603647A/en