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.)
ERWIN JAMES BOYNTON
ERWIN ORLANDO RICHARD
Original Assignee
ERWIN JAMES BOYNTON
ERWIN ORLANDO RICHARD
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 ERWIN JAMES BOYNTON, ERWIN ORLANDO RICHARDfiledCriticalERWIN JAMES BOYNTON
Priority to ES57371ApriorityCriticalpatent/ES57371A1/es
Publication of ES57371A1publicationCriticalpatent/ES57371A1/es
Un método, con los medios correspondientes, para detener los trenes en caso de peligro y para precaver cualquier descuido de los maquinistas o de los encargados de señales.