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 ES1967130899UpriorityCriticalpatent/ES130899Y/en
Publication of ES130899UpublicationCriticalpatent/ES130899U/en
Application grantedgrantedCritical
Publication of ES130899YpublicationCriticalpatent/ES130899Y/en
An improved screw, characterized essentially by having at the base of its head, a plurality of trapezoidal reliefs, radially arranged and concurrent in an equally protruding core, operatively arranged to receive a maneuvering key. (Machine-translation by Google Translate, not legally binding)
ES1967130899U1967-06-221967-06-22
A PERFECTED SCREW.
ExpiredES130899Y
(en)