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.)
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.)
Consolidated Natural Gas Service Co Inc
Original Assignee
Consolidated Natural Gas Service Co Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US07/104,353external-prioritypatent/US4831830A/en
Application filed by Consolidated Natural Gas Service Co IncfiledCriticalConsolidated Natural Gas Service Co Inc
Publication of CA2006784A1publicationCriticalpatent/CA2006784A1/fr