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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0431339 (1982-09-30) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 9 인용 특허 : 1 |
A folding picture frame comprising a rectangular housing and a rectangular front picture panel hinged along one side of the housing and normally folded against the housing in face-to-face relation unfolds to one side to reveal a second picture of approximately twice the size of the front panel pictu
A folding picture frame comprising, in combination, a rectangular housing, a rectangular front picture panel, means hinging said front picture panel at one side along one side of said housing for swinging said front picture panel between face-to-face overlying and sidewardly outwardly-extending posi
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