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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0277771 (1988-11-30) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 4 인용 특허 : 0 |
A drafting or measuring instrument, such as a caliper, divider or compass, has legs pivotally connected at one end and carries working elements at the opposite ends which may be moved between closed and opened positions. A thin case for releasably holding the instrument has an opening with an inner
The combination of an instrument and case comprising: an instrument having legs pivotally connected at one end with the opposite ends of said legs being selectively movable between a closed position adjacent each other and an open position spaced from each other; a relatively flat case having an upp
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