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 ES1968152388UpriorityCriticalpatent/ES152388Y/en
Publication of ES152388UpublicationCriticalpatent/ES152388U/en
Application grantedgrantedCritical
Publication of ES152388YpublicationCriticalpatent/ES152388Y/en
Improved lug for porous materials, equipped with a longitudinal bore driven from one end thereof and a longitudinal groove driven from the other end, characterized in that the passage is provided with ribs distributed on the peripheral surface which are screwed in helical form at least by a part of its circumference. (Machine-translation by Google Translate, not legally binding)
ES1968152388U1968-07-171968-07-17
PERFECTED PLUG FOR POROUS MATERIALS.
ExpiredES152388Y
(en)