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 US05/810,709external-prioritypatent/US4081253A/en
Priority claimed from IN265/CAL/78Aexternal-prioritypatent/IN147776B/en
Application filed by Texaco Development CorpfiledCriticalTexaco Development Corp
Priority to IN07/CAL/80ApriorityCriticalpatent/IN148723B/en
Publication of IN148723BpublicationCriticalpatent/IN148723B/en