Traffic handheld control warning sign
US10607514B1 · kind B1 · utility
0Cited by
4References
5Claims
0Family size
Inventor
Key dates
| Filing date | Apr 19, 2019 |
| Grant date | Mar 31, 2020 |
| Priority date | — |
| Expiry date | Apr 19, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F21/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A Traffic Handheld Control Warning Sign including a first and second display sign which are fastened together and have the capability to display different traffic control warnings and commands simultaneously. The invention is battery powered and can be controlled by a separate or built in remote control. The invention can be hand held or can be used hands free by placing it in a tripod or pole and operating it with a remote control from a distance of up to 40 meters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.