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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0713291 (1996-09-13) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 14 인용 특허 : 4 |
A footwear has an outsole provided in the heel portion thereof with a recess for securing thereto a cushion block. The cushion block has a planar surface and an arcuate surface which is opposite in location to the planar surface and is provided with a plurality of rigid knobs made integrally therewi
A footwear having an outsole provided in a heel portion thereof with a recess dimensioned to receive therein securely and removably a cushion block, said cushion block having a planar surface and an arcuate surface opposite in location to said planar surface, said arcuate surface being provided ther
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