发明名称 Frame with level indicator
摘要 A frame includes a hanging surface adapted to be adjacent a wall when the frame is hung, and a front surface generally opposite the hanging surface. A level indicator is recessed within the frame and is visible when viewing the front surface of the frame. A removable cover plate is configured to conceal the level indicator from view. In another embodiment, the level indicator is visible when looking upward at the frame from below the frame when the frame is hung on a wall.
申请公布号 US5848489(A) 申请公布日期 1998.12.15
申请号 US19970813452 申请日期 1997.03.10
申请人 HARTLEY, DAVID E.;HARTLEY, MARCIA G. 发明人 HARTLEY, DAVID E.;HARTLEY, MARCIA G.
分类号 A47G1/06;(IPC1-7):B23B49/00 主分类号 A47G1/06
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