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 US500303Aexternal-prioritypatent/US3905790A/en
Application filed by Nitto Boseki Co LtdfiledCriticalNitto Boseki Co Ltd
Priority to AT242081ApriorityCriticalpatent/AT367000B/de
Publication of ATA242081ApublicationCriticalpatent/ATA242081A/de
Application grantedgrantedCritical
Publication of AT367000BpublicationCriticalpatent/AT367000B/de