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Publication of FR691569ApublicationCriticalpatent/FR691569A/fr
A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
A43B13/00—Soles; Sole-and-heel integral units
A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
A43B13/22—Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer
A43B13/223—Profiled soles
FR691569D1930-03-081930-03-08Moyen d'empêcher le glissement des semelles de caoutchouc employées dans la confection des chaussures
ExpiredFR691569A
(fr)