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
CA52127F
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.)
British Gas Corp
Original Assignee
British Gas Corp
Publication date
Priority to CA52127FpriorityCriticalpatent/CA52127S/en
Application grantedgrantedCritical
Publication of CA52127SpublicationCriticalpatent/CA52127S/en