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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES1975215776UpriorityCriticalpatent/ES215776Y/en
Publication of ES215776UpublicationCriticalpatent/ES215776U/en
Application grantedgrantedCritical
Publication of ES215776YpublicationCriticalpatent/ES215776Y/en
Improved closure for boxes, essentially characterized by the fact that it is constituted by a flap, derived from the end areas corresponding to one of the lateral sides of the box, presenting in a section of its peripheral contour a small expansion and, in a slightly inward situation, a slit that, in its middle zone, forms a vertex, determining a protruding portion, said flap being susceptible to being partially inserted, through the section where the peripheral expansion is constituted, in another slit provided for this purpose in the terminal part of the latter. Lateral side contiguous, with faculty of retention in such a situation by interposition of the protruding portion, defined in the groove made in the flap. (Machine-translation by Google Translate, not legally binding)
ES1975215776U1975-10-031975-10-03
PERFECTED CLOSURE FOR BOXES.
ExpiredES215776Y
(en)