Mass transit safety notification system and device
US9542852B2 · kind B2 · utility
27Cited by
5References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 15, 2012 |
| Grant date | Jan 10, 2017 |
| Priority date | — |
| Expiry date | Jan 11, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61L2205/04
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A system and device that will notify roadway maintenance workers of an approaching mass transit vehicle and, conversely, will notify the operators and administrators of mass transit vehicles of roadway maintenance workers within the vicinity of an approaching section of track.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.