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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0619796 (1975-10-06) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 45 인용 특허 : 0 |
A portable sign, and method for manufacturing a display portion thereof, useful on highway construction projects for alerting motorists to road repairs, hazards, and the like, that is arranged to be easily erected or taken down, with component parts that can be broken down and telescoped within a tu
A portable sign comprising, a base constructed so as to be capable of being nested with a like base; a mast, arranged to be releasably connected at its base end to said base in a vertical attitude, extending upwardly therefrom; means for releasably connecting said mast, at its base end, to said base
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