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
CA31882F
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.)
Cheney & Son Ltd C
CW Cheney and Son Ltd
Original Assignee
Cheney & Son Ltd C
CW Cheney and Son Ltd
Publication date
Priority to CA31882FpriorityCriticalpatent/CA31882S/en
Application grantedgrantedCritical
Publication of CA31882SpublicationCriticalpatent/CA31882S/en