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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0592324 (1975-07-01) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 40 인용 특허 : 0 |
A first body for attachment to the undersole portion of a shoe is provided and includes front and rear marginal portions. A second body for underlying the heel portion of a shoe is disposed to the rear of and swingably supported from the rear marginal portion of the first body for swinging relative
In combination, a shoe including an upper and an underlying flexible sole having front and rear toe and heel portions, a first body attached to and underlying the under surface of said toe portion and including front and rear marginal portions, a second body including front and rear marginal portion
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