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 ES10352ApriorityCriticalpatent/ES10352A1/en
Publication of ES10352A1publicationCriticalpatent/ES10352A1/en
ES10352A1889-12-211889-12-21
An improved machine for crushing and amalgamating minerals containing gold, silver, or any other metal.
ExpiredES10352A1
(en)
A procedure for embedding gold silver or any other pure or alloyed metal, in any kind of pure or soft metals, replacing the shape of threads that up to now has been used with that of plates or sheets.
A procedure for the metallurgical treatment of natural and artificial minerals by the wet method, containing metals, in the simple or complex state; zinc, gold, lead, silver, copper or others.
A hydraulic press for stamping and embossing of metals such as platinum, gold, silver, white metal, copper, brass, iron, aluminum and others, as well as their alloys in silverware and cutlery and other similar pieces.