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 NL53906Aexternal-prioritypatent/NL28591C/xx
Application filedfiledCritical
Priority to NL56263ApriorityCriticalpatent/NL32214C/xx
Application grantedgrantedCritical
Publication of NL32214CpublicationCriticalpatent/NL32214C/xx