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
CA21962F
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.)
RATBY ENGINEERING Co Ltd
Original Assignee
RATBY ENGINEERING Co Ltd
Publication date
Priority to CA21962FpriorityCriticalpatent/CA21962S/en
Application grantedgrantedCritical
Publication of CA21962SpublicationCriticalpatent/CA21962S/en