Patent classifications
A
HUMAN NECESSITIES
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A43
FOOTWEAR
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A43C
FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
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15/00
Non-skid devices or attachments
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A43C15/16
Studs; or cleats; for football or like boots
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A43C15/168
with resilient means, e.g. shock absorbing means
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