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.)
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 of DE206910CpublicationCriticalpatent/DE206910C/de
Elektrischer Heizkoerper mit einseitiger Strahlungswirkung und mit einer auf der Oberflaeche eines isolierenden Haltekoerpers befestigten, schraubenfoermig gewundenen Heizwicklung