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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S A De Trefileria Y Derivados
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S A De Trefileria Y Derivados
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Application filed by S A De Trefileria Y DerivadosfiledCriticalS A De Trefileria Y Derivados
Priority to ES122407UpriorityCriticalpatent/ES122407U/en
Publication of ES122407UpublicationCriticalpatent/ES122407U/en
Improved screw characterized by having its body a tubular external configuration that presents the thread corresponding to a common screw further characterizing said screw by including in its incision tip bevels determining penetrating edges as a drill bit making its embutimiento either percussion or screwed indistinctly; as well as having a recess in a crosshead for its optional screwdriving. (Machine-translation by Google Translate, not legally binding)
ES122407U1966-06-071966-06-07Improved screw (Machine-translation by Google Translate, not legally binding)
PendingES122407U
(en)