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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Marconi Sounding Device Co Ltd
Original Assignee
Marconi Sounding Device Co Ltd
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 Marconi Sounding Device Co LtdfiledCriticalMarconi Sounding Device Co Ltd
Priority to ES0244737ApriorityCriticalpatent/ES244737A1/es
Publication of ES244737A1publicationCriticalpatent/ES244737A1/es
Perforating, Stamping-Out Or Severing By Means Other Than Cutting
(AREA)
Abstract
Perfeccionamientos en aparatos eléctricos de registro, caracterizados porque estos son del tipo en que la inscripción se realiza en papel electrosensible haciendo pasar corriente eléctrica a través de un punzón de inscripción en contacto con el papel y por tener un punzón inscriptor constituido por un carburo metálico duro y eléctricamente conductor, eléctricamente empujado hacia el papel.
ES0244737A1958-10-171958-10-17Perfeccionamientos en aparatos electricos de registro
ExpiredES244737A1
(es)