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 US06/233,974external-prioritypatent/US4356073A/en
Application filed by Shatterproof Glass CorpfiledCriticalShatterproof Glass Corp
Priority to IN294/DEL/82ApriorityCriticalpatent/IN159895B/en
Publication of IN159895BpublicationCriticalpatent/IN159895B/en