Luminous electric sign
US6192610A · kind A · utility
22Cited by
17References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 27, 1999 |
| Grant date | Feb 27, 2001 |
| Priority date | — |
| Expiry date | Apr 27, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S362/812
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.