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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Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to ES121519UpriorityCriticalpatent/ES121519U/en
Publication of ES121519UpublicationCriticalpatent/ES121519U/en
Self-locking screw characterized essentially by the fact that at the base of its head it comprises a non-slip surface constituted by a groove in relief transverse to the circular crown defined by the edge of the screw shank and by the external edge of the head thereof. (Machine-translation by Google Translate, not legally binding)
ES121519U1966-05-051966-05-05Self-locking screw (Machine-translation by Google Translate, not legally binding)
PendingES121519U
(en)