Luminous electric sign
US5533286A · kind A · utility
43Cited by
9References
4Claims
0Family size
Inventors
Key dates
| Filing date | Jun 17, 1994 |
| Grant date | Jul 9, 1996 |
| Priority date | — |
| Expiry date | Jun 17, 2014 |
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.