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Up-and-down display sign
   
Document Number
US Patent 7000344
Issued Date
February 21, 2006
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Abstract
A sign display apparatus. The apparatus includes a moveable display face for displaying information; a stationary display body having a source of illumination for the display face when the display face is in a position over the display body; and a drive mechanism coupled to the display face for moving the display face relative to the stationary display body and its source of illumination. Also provided are an apparatus and a retrofit kit for lowering the display face to change a message displayed on the display face and for raising the display face to a visible position. Included are housing assemblies affixed in a spaced relationship, each housing assembly having a guide track such that, in combination, the housing assemblies provide a pair of substantially parallel guide tracks into which is disposed the display face, thereby defining a plane of travel as the display face is lowered and raised.
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Number of Claims:
28
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Owner
Published
February 21, 2006
Application Number
10/405,865
Filed
April 2, 2003
US Classification
40/601   40/574 40/575
Int'l Classification
G09F   7/00   (20060101)  
Examiner
USPTO Field of Search
40/601   40/470   40/471   40/472   40/611.03   40/574   40/575   40/576  
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