Luminous electric sign
US5579598A · kind A · utility
25Cited by
14References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 13, 1995 |
| Grant date | Dec 3, 1996 |
| Priority date | — |
| Expiry date | Sep 13, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S362/812
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An electric luminous display unit for conveying visual information including a housing comprising an opaque front face portion of substantially rigid molded plastic, an elongated groove in the front face portion of the housing, inert gas-containing glass tubing located in the groove and extending therealong, and electrical means located behind the front face portion of the housing and electrically connected to ends of the glass tubing for supplying electrical energy to illuminate the same. In one embodiment, an edge-lighted board is described for receiving written information thereon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.