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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0992552 (1992-12-18) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 22 인용 특허 : 0 |
An improved portable warning marker of the type used to divert and/or guide motor vehicle traffic through or around roadway construction sites is disclosed. The warning marker may be of a foldable type including a plate member is pivotally attached to a flat base member, and a pair of wing members p
A foldable marker comprising a base member having a relatively broad, flat upper surface, a relatively flat plate member attached to said upper surface, means for pivoting said plate member relative to said upper surface such that said plate member is tiltable between an operative upright position p
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