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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0436491 (1974-01-25) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 15 인용 특허 : 0 |
A tamper-proof backpack is disclosed which is formed of plastic or similar molded construction. The backpack includes a concave rear wall and shoulder straps which enable the backpack to be carried on the back of a user. The backpack may also be hand-carried and a cover is provided for fitting over
A tamper-proof backpack adapted to be carried on the back of a user and comprising a backpack body having side walls and a concave-shaped rear wall defining a space for storing material, a backpack cover hingedly connected to one of said side walls and adapted to swing from an open position providin
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