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Paulstra SNC
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Paulstra SNC
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Publication of FR867557ApublicationCriticalpatent/FR867557A/en
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
A43B13/24—Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer by use of insertions
FR867557D1940-10-241940-10-24
Improvements to soles and heels of rubber or any other plastic material used in the manufacture or repair of footwear
ExpiredFR867557A
(en)