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 ES8370ApriorityCriticalpatent/ES8370A2/en
Publication of ES8370A2publicationCriticalpatent/ES8370A2/en
Improvements introduced in the construction of crucibles and muffles for the smelting of all kinds of metals and enameling of all the objects that are made of the same material as those.
Improvements introduced in the apparatus for the extraction of the sulfur contained in the minerals, and in general, in all the substances that contain this product and also for the sublimation of the crude sulfur.