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
Application filed by Percival LaferfiledCriticalPercival Lafer
Priority to BR6300357UpriorityCriticalpatent/BR6300357U/pt
Publication of BR6300357UpublicationCriticalpatent/BR6300357U/pt