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Priority to NL6501207ApriorityCriticalpatent/NL6501207A/xx
Publication of NL6501207ApublicationCriticalpatent/NL6501207A/xx
A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
A43B21/00—Heels; Top-pieces or top-lifts
A43B21/36—Heels; Top-pieces or top-lifts characterised by their attachment; Securing devices for the attaching means
A43B21/47—Heels; Top-pieces or top-lifts characterised by their attachment; Securing devices for the attaching means by resilient means
A43B21/48—Heels; Top-pieces or top-lifts characterised by their attachment; Securing devices for the attaching means by resilient means by press-buttons
A—HUMAN NECESSITIES
A43—FOOTWEAR
A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
A43D87/00—Edge or heel cutters; Machines for trimming the heel breast