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
CA 4952
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.)
PERFECTION HEATER AND Manufacturing Co
Original Assignee
PERFECTION HEATER AND Manufacturing Co
Publication date
Priority to CA 4952priorityCriticalpatent/CA4952S/en
Application grantedgrantedCritical
Publication of CA4952SpublicationCriticalpatent/CA4952S/en