projecting beyond the sole surface

Full Title

Soles; Sole-and-heel integral units > characterised by the constructive form > Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer > by use of insertions > projecting beyond the sole surface

Classification Context

Section:

HUMAN NECESSITIES

Class:

FOOTWEAR

Subclass:

CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR