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 US06/484,681external-prioritypatent/US4689752A/en
Priority claimed from US06/564,924external-prioritypatent/US4635055A/en
Application filed by Niagara Mohawk Power CorpfiledCriticalNiagara Mohawk Power Corp
Application grantedgrantedCritical
Publication of ATE44095T1publicationCriticalpatent/ATE44095T1/en