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Document Number
US Patent 6192610
Issued Date
February 27, 2001
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Abstract
A luminous electric display unit having glass tubing, filled with an inert gas, fully or partially enclosed within a protective housing, thereby providing protection both for the glass tubing and the public.
Drawing
Luminous electric sign - US Patent 6192610 Drawing
Drawing from US Patent 6192610
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Number of Claims:
13
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Owner
Published
February 27, 2001
Application Number
09/299,895
Filed
April 27, 1999
US Classification
40/545   362/812
Int'l Classification
G09F   13/26   (20060101)   G09F   13/00   (20060101)  
Examiner
Attorney/Law Firm
Parent Case
CROSS REFERENCE TO RELATED APPLICATIONS This application is a continuation-in-part of our U.S. patent application Ser. No. 08/819,821, filed Mar. 18, 1997, now abandoned which is a continuation-in-part of U.S. patent application Ser. No. 08/570,103, filed Dec. 11, 1995, now abandoned, which is a continuation of U.S. patent application Ser. No. 08/262,007, filed Jun. 17, 1994, now U.S. Pat. No. 5,533,286.
USPTO Field of Search
40/545   40/564   40/575   40/580   362/812  
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Claims
Description
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