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.)
GRAFTON JONES JAMES
Original Assignee
GRAFTON JONES JAMES
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 GRAFTON JONES JAMESfiledCriticalGRAFTON JONES JAMES
Priority to ES1866004152ApriorityCriticalpatent/ES4152H1/es
Publication of ES4152H1publicationCriticalpatent/ES4152H1/es
ES1866004152A1866-03-151866-03-15Perfeccionamientos en las maquinas para extraer carbon, piedra, y otros minerales; y en las de comprimir el aire
ExpiredES4152H1
(es)