ES21521U - Rubber sole or other elastic material, particularly flexible for footwear (Machine-translation by Google Translate, not legally binding)
- Google Patents
Rubber sole or other elastic material, particularly flexible for footwear (Machine-translation by Google Translate, not legally binding)
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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Pirelli and C SpA
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Pirelli SpA
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Publication date
Application filed by Pirelli SpAfiledCriticalPirelli SpA
Priority to ES0021521UpriorityCriticalpatent/ES21521U/en
Publication of ES21521UpublicationCriticalpatent/ES21521U/en
Improvements introduced in the object of the main patent No. 177.307, requested on March 6, 1947, which falls on a sole of rubber or other elastic material particularly flexible for footwear, with a central area with reliefs that start from a depth of thickness minimum to which a transversal recesses are deepened, in correspondence with the line of maximum bending, which improvements consist of the disposition of the marginal zone of the sole surrounding or the central zone of the same, except in the line of maximum bending or along possible lines of lightening, thickened to the point of being taken to the plane of contact with the ground established for the support reliefs of the sole. (Machine-translation by Google Translate, not legally binding)
ES0021521U1947-03-061947-03-06Rubber sole or other elastic material, particularly flexible for footwear (Machine-translation by Google Translate, not legally binding)
PendingES21521U
(en)