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.)
Winkler Friedrich George
Original Assignee
Winkler Friedrich George
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Filing date
Publication date
Application filed by Winkler Friedrich GeorgefiledCriticalWinkler Friedrich George
Priority to ES21735ApriorityCriticalpatent/ES21735A1/en
Publication of ES21735A1publicationCriticalpatent/ES21735A1/en
ES21735A1897-11-161897-11-16
Improvements in the procedure to screen or sift granular substances, by means of the apparatus described.
ExpiredES21735A1
(en)
The industrial product that results from the set of cuts, drills and special gumming of the models that are accompanied and explained in the specification.