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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0919004 (1997-08-27) |
우선권정보 | JP-0199236 (1997-07-09) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 33 인용 특허 : 0 |
To this end, there are first formed a convex clamping member 2 having at its fore part a clamping surface 2a which has been curved into a convexed plane and a concave clamping member 3 having at its fore part a clamping surface 3a which has been curved into a concaved plane. The convex clamping memb
[ What is claimed is:] [1.] A paper clip comprising:a convex clamping member having at its fore part a clamping surface which has been curved into a convexed plane;a concave clamping member having at its fore part a clamping surface which has been curved into a concaved plane so as to fit the contou
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