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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Priority to ES135680UpriorityCriticalpatent/ES135680U/en
Publication of ES135680UpublicationCriticalpatent/ES135680U/en
Screw, autobrocante characterized by comprising at the end of its core filleted., of shape, essentially conical, two slits in arrangement: helical, symmetric, determining two symmetrical cutting edges, intended for the opening of the penetration hole, the screw during its assembly and having the extreme fillets of the screw its lowered ridge, in order to allow the penetration and progressive threading of the orifice made whatever the circumstances that concur in the essentiality of the utility model defined in (Machine-translation by Google Translate, not legally binding)
ES135680U1968-01-121968-01-12Self-burning screw. (Machine-translation by Google Translate, not legally binding)
PendingES135680U
(en)