Portable sign
US6804905B1 · kind B1 · utility
26Cited by
17References
25Claims
0Family size
Inventors
Key dates
| Filing date | Sep 11, 2000 |
| Grant date | Oct 19, 2004 |
| Priority date | — |
| Expiry date | Sep 11, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F15/0025
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A portable sign which includes a base member having a generally cylindrical rigid lateral wall with an air input opening and an upper opening. An air blower is positioned in the base member, and an elongated display member having a flexible generally cylindrical section extends upwardly from the generally cylindrical rigid lateral wall of the base member. The flexible cylindrical section has a lower open end connecting to a disc shaped cut out in the base member and has a closed top section having an air exit opening. Lettering will be displayed on the flexible cylindrical section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.