Legal status (The legal status 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 status listed.)
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Individual
Original Assignee
Individual
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Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to GB28913/47ApriorityCriticalpatent/GB639607A/en
Priority to US783760Aprioritypatent/US2639920A/en
Priority to BE477355Aprioritypatent/BE477355A/en
Application grantedgrantedCritical
Publication of AU812146ApublicationCriticalpatent/AU812146A/en
Publication of AU133171B2publicationCriticalpatent/AU133171B2/en