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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0878621 (1992-05-05) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 8 인용 특허 : 0 |
A rural mailbox which has an access door provided with a concealed counterweight to assure that the door closes after use is disclosed. Optionally, the lower surface of the mailbox floor may have a magnet secured to it and positioned so as to contact the counterweight when the door is fully open to
A mail box comprising spaced apart side walls, roof, rear wall, and a floor spanning the area between said walls and secured to inner surfaces of said side walls and spaced upwardly from lower edges of said walls; a horizontally, pivotally mounted door for closing a front opening of said mail box de
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