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Class 40/564 - Lamp box


Subclass of Class 40 - Card, picture, or sign exhibiting
Definition: Sign wherein the sign housing comprised a box having at
No. of patents: 284
Last issue date: 03/20/2012


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NumberTitleIssue Date
3978599Illuminated display device
An illuminated display device includes a housing having front and rear openings with which to register outer transparent face plates and superimposed inner thermoplastic translucent sheets having inwardly convex, relatively thin thermoformed logos project...
09/07/1976
3977111Sign structure
An internally illuminated sign structure comprising a housing enclosing a plurality of lamps and having an open front in which is supported a windbalanced sheet of translucent film bearing the sign messsage. The housing has passages communicating with the...
08/31/1976
3972139Device for displaying numbers
A number-displaying device wherein a light chamber of an external unit is sub-divided by units wedged therein into seven compartments in a figure eight array, such that by selectively energizing an appropriate combination of seven lights (one in each said...
08/03/1976
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