Emergency exit window for a public transport vehicle
US11697438B2 · kind B2 · utility
0Cited by
1References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 12, 2020 |
| Grant date | Jul 11, 2023 |
| Priority date | — |
| Expiry date | Jan 13, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60J3/04
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An emergency exit window for a public transport vehicle, comprising a pane, characterized in that the pane comprises at least one first zone with variable opaqueness, at least one second breakable zone, which may be broken in order to allow the passage of people through the window, and at least one third transparent or translucent zone with fixed opaqueness and withstanding breaking of the pane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.