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 US06/481,936external-prioritypatent/US4488891A/en
Application filed by Owens Corning Fiberglass CorpfiledCriticalOwens Corning Fiberglass Corp
Priority to IN244/CAL/87ApriorityCriticalpatent/IN164854B/en
Publication of IN164854BpublicationCriticalpatent/IN164854B/en