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.)
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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES78310ApriorityCriticalpatent/ES78310A1/en
Publication of ES78310A1publicationCriticalpatent/ES78310A1/en
ES78310A1921-05-181921-05-18
Provision to prevent the penetration of air in centrifugal pumps, refrigeration machines and the like.
ExpiredES78310A1
(en)