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 US06/208,400external-prioritypatent/US4396181A/en
Application filed by Inspiration Cons CopperfiledCriticalInspiration Cons Copper
Publication of FI851409A0publicationCriticalpatent/FI851409A0/fi
Publication of FI851409LpublicationCriticalpatent/FI851409L/fi
Publication of FI74302BpublicationCriticalpatent/FI74302B/fi
Application grantedgrantedCritical
Publication of FI74302CpublicationCriticalpatent/FI74302C/fi