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US 5,493,804 AGranted
Advertising board structure
AssigneeTrue Power Electronics Co., Ltd.
InventorsChin-Feng Lo, Jiin-Huei Chiang
Life of this patent
Estimating the term…
Abstract
An advertising board structure which is formed from a character indicating neon tube and polyurethane material. The neon tube for displaying is partially exposed beyond the surface of the molded displaying board structure. The polyurethane material is used to cover onto the neon tube portion which is not to be exposed and the neon tube is first covered with a soft polyurethane material before it is covered and formed as a single unit with the polyurethane material.
Claims4
An advertising board structure comprising:
- (a) a neon tube having two ends, a connecting leg at each end, and a center bent section;
- (b) a soft polyurethane material mounted onto the connecting legs of said tube for protection of said connecting legs;
- (c) a polyurethane formed block covering said neon tube and said soft polyurethane material to form a single unit;
- the center bent section and connecting legs of said neon tube being partially exposed at a surface of said single unit to form an external section and a pattern;
- and
- a layer of transparent material uniformly covering at least the external section of said connecting legs and center bent section of said neon tube.
3 more elements
An advertising board structure comprising:
- (a) a neon tube having two ends, a connecting leg at each end, and a center bent section;
- (b) a transparent block, having an inner surface and an external surface, covering on said bent section of said neon tube so that said connecting legs are exposed above the inner surface and the bent section is exposed above the outer surface to form an external section, and a pattern is partially formed at an exterior of the transparent block by the external section of the bent section;
- (c) a fire resistant polyurethane material formed into a polyurethane block covering the inner surface of said transparent block;
- and
- a layer of transparent material uniformly covering the external section of said connecting legs and the bent section of said neon tube.
2 more elements
Dependencies are inferred from the claim text.