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 US06/066,712external-prioritypatent/US4256582A/en
Priority claimed from IN771/DEL/80Aexternal-prioritypatent/IN154927B/en
Application filed by Fabcon IncfiledCriticalFabcon Inc
Priority to IN446/DEL/84ApriorityCriticalpatent/IN160290B/en
Publication of IN160290BpublicationCriticalpatent/IN160290B/en