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.)
Individual
Original Assignee
Individual
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 IndividualfiledCriticalIndividual
Priority to ES1877005724ApriorityCriticalpatent/ES5724H1/es
Publication of ES5724H1publicationCriticalpatent/ES5724H1/es
Mejoras en los medios de extraer la hulla y otros minerales, y en la perforación de rocas y otras sustancias, por medio de materias explosivas en combinación con el agua.