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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0588439 (1996-01-18) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 13 인용 특허 : 4 |
A round diamond having a girdle with oppositely located flattened portions is disclosed. Each of the flattened portions has a cut-out with sloped walls. The girdle preferably has facets at its circumference, except at its flattened portion. The round diamond is set into a barrel having a ridge membe
An article of jewelry comprising: (a) a round diamond having a table with a top surface, a girdle and a pavilion located below the girdle, said girdle having first and second oppositely disposed flattened portions spaced apart by a first predetermined distance, each flattened portion having a cut-ou
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